22257105 has 32 divisors (see below), whose sum is σ = 38648064. Its totient is φ = 10872576.

The previous prime is 22257089. The next prime is 22257107. The reversal of 22257105 is 50175222.

It is not a de Polignac number, because 22257105 - 2⁴ = 22257089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22257107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30252 + ... + 30978.

It is an arithmetic number, because the mean of its divisors is an integer number (1207752).

Almost surely, 2^22257105 is an apocalyptic number.

It is an amenable number.

22257105 is a deficient number, since it is larger than the sum of its proper divisors (16390959).

22257105 is a wasteful number, since it uses less digits than its factorization.

22257105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 22257105 is about 4717.7436344083. The cubic root of 22257105 is about 281.2912512333.

The spelling of 22257105 in words is "twenty-two million, two hundred fifty-seven thousand, one hundred five".