22165057 has 8 divisors (see below), whose sum is σ = 22407840. Its totient is φ = 21924000.

The previous prime is 22165043. The next prime is 22165097. The reversal of 22165057 is 75056122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22165057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22165027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58294 + ... + 58672.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^22165057 is an apocalyptic number.

It is an amenable number.

22165057 is a deficient number, since it is larger than the sum of its proper divisors (242783).

22165057 is a wasteful number, since it uses less digits than its factorization.

22165057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 22165057 is about 4707.9780160914. The cubic root of 22165057 is about 280.9029396760.

The spelling of 22165057 in words is "twenty-two million, one hundred sixty-five thousand, fifty-seven".