Search a number
-
+
22270386 = 2347151523
BaseRepresentation
bin101010011110…
…1000110110010
31112220110020010
41110331012302
521200123021
62113155350
7360203145
oct124750662
945813203
1022270386
1111631086
12755bb56
1347c9958
142d5a05c
151e4d976
hex153d1b2

22270386 has 32 divisors (see below), whose sum is σ = 45877248. Its totient is φ = 7203600.

The previous prime is 22270363. The next prime is 22270397. The reversal of 22270386 is 68307222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42321 + ... + 42843.

It is an arithmetic number, because the mean of its divisors is an integer number (1433664).

Almost surely, 222270386 is an apocalyptic number.

22270386 is an abundant number, since it is smaller than the sum of its proper divisors (23606862).

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

22270386 is a wasteful number, since it uses less digits than its factorization.

22270386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 22270386 is about 4719.1509829629. The cubic root of 22270386 is about 281.3471897196.

The spelling of 22270386 in words is "twenty-two million, two hundred seventy thousand, three hundred eighty-six".

Divisors: 1 2 3 6 47 94 141 151 282 302 453 523 906 1046 1569 3138 7097 14194 21291 24581 42582 49162 73743 78973 147486 157946 236919 473838 3711731 7423462 11135193 22270386