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22957085 = 55238779
BaseRepresentation
bin101011110010…
…0110000011101
31121012100012102
41113210300131
521334111320
62140014445
7366063164
oct127446035
947170172
1022957085
1111a5aaa8
127831425
1349aa398
1430983db
152037175
hex15e4c1d

22957085 has 8 divisors (see below), whose sum is σ = 27604320. Its totient is φ = 18328464.

The previous prime is 22957079. The next prime is 22957091. The reversal of 22957085 is 58075922.

It is an interprime number because it is at equal distance from previous prime (22957079) and next prime (22957091).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22957085 - 210 = 22956061 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1775 + ... + 7004.

It is an arithmetic number, because the mean of its divisors is an integer number (3450540).

Almost surely, 222957085 is an apocalyptic number.

It is an amenable number.

22957085 is a deficient number, since it is larger than the sum of its proper divisors (4647235).

22957085 is an equidigital number, since it uses as much as digits as its factorization.

22957085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9307.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 22957085 is about 4791.3552362562. The cubic root of 22957085 is about 284.2097117002.

The spelling of 22957085 in words is "twenty-two million, nine hundred fifty-seven thousand, eighty-five".

Divisors: 1 5 523 2615 8779 43895 4591417 22957085