22025157 has 48 divisors (see below), whose sum is σ = 38117952. Its totient is φ = 11182080.

The previous prime is 22025153. The next prime is 22025167. The reversal of 22025157 is 75152022.

It is not a de Polignac number, because 22025157 - 2² = 22025153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85573 + ... + 85829.

It is an arithmetic number, because the mean of its divisors is an integer number (794124).

Almost surely, 2^22025157 is an apocalyptic number.

It is an amenable number.

22025157 is a deficient number, since it is larger than the sum of its proper divisors (16092795).

22025157 is a wasteful number, since it uses less digits than its factorization.

22025157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 331 counting only the distinct ones).

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

The square root of 22025157 is about 4693.0967388282. The cubic root of 22025157 is about 280.3106967803.

Adding to 22025157 its reverse (75152022), we get a palindrome (97177179).

The spelling of 22025157 in words is "twenty-two million, twenty-five thousand, one hundred fifty-seven".