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2251222248 = 233118995813
BaseRepresentation
bin1000011000101110…
…1110110011101000
312210220001221100210
42012023232303220
514102303102443
61011215301120
7106534034112
oct20613566350
95726057323
102251222248
11a55835660
12529b1a7a0
1329b527192
14174db23b2
15d2988c33
hex862eece8

2251222248 has 64 divisors (see below), whose sum is σ = 6208747200. Its totient is φ = 674516480.

The previous prime is 2251222247. The next prime is 2251222261. The reversal of 2251222248 is 8422221522.

It is a happy number.

2251222248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2251222243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24411 + ... + 71402.

It is an arithmetic number, because the mean of its divisors is an integer number (97011675).

Almost surely, 22251222248 is an apocalyptic number.

It is an amenable number.

2251222248 is an abundant number, since it is smaller than the sum of its proper divisors (3957524952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251222248 is a wasteful number, since it uses less digits than its factorization.

2251222248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95922 (or 95918 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 2251222248 is about 47447.0467784877. The cubic root of 2251222248 is about 1310.6079279258.

The spelling of 2251222248 in words is "two billion, two hundred fifty-one million, two hundred twenty-two thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 89 132 178 264 267 356 534 712 979 1068 1958 2136 2937 3916 5874 7832 11748 23496 95813 191626 287439 383252 574878 766504 1053943 1149756 2107886 2299512 3161829 4215772 6323658 8431544 8527357 12647316 17054714 25294632 25582071 34109428 51164142 68218856 93800927 102328284 187601854 204656568 281402781 375203708 562805562 750407416 1125611124 2251222248