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1222051080 = 233510183759
BaseRepresentation
bin100100011010111…
…0000010100001000
310011011111121221010
41020311300110020
510000321113310
6321132443520
742166156065
oct11065602410
93134447833
101222051080
115778a8078
122a13195a0
13166245363
14b842dc6c
1572444320
hex48d70508

1222051080 has 32 divisors (see below), whose sum is σ = 3666153600. Its totient is φ = 325880256.

The previous prime is 1222051073. The next prime is 1222051087. The reversal of 1222051080 is 801502221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222051073) and next prime (1222051087).

It is not an unprimeable number, because it can be changed into a prime (1222051087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5091760 + ... + 5091999.

It is an arithmetic number, because the mean of its divisors is an integer number (114567300).

Almost surely, 21222051080 is an apocalyptic number.

1222051080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222051080 is an abundant number, since it is smaller than the sum of its proper divisors (2444102520).

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

1222051080 is a wasteful number, since it uses less digits than its factorization.

1222051080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10183773 (or 10183769 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1222051080 is about 34957.8471877202. The cubic root of 1222051080 is about 1069.1282036189.

The spelling of 1222051080 in words is "one billion, two hundred twenty-two million, fifty-one thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 10183759 20367518 30551277 40735036 50918795 61102554 81470072 101837590 122205108 152756385 203675180 244410216 305512770 407350360 611025540 1222051080