22500135 has 24 divisors (see below), whose sum is σ = 44572320. Its totient is φ = 10285632.

The previous prime is 22500131. The next prime is 22500151. The reversal of 22500135 is 53100522.

It is a happy number.

It is not a de Polignac number, because 22500135 - 2² = 22500131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22500131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35400 + ... + 36029.

It is an arithmetic number, because the mean of its divisors is an integer number (1857180).

Almost surely, 2^22500135 is an apocalyptic number.

22500135 is a deficient number, since it is larger than the sum of its proper divisors (22072185).

22500135 is a wasteful number, since it uses less digits than its factorization.

22500135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71447 (or 71444 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 22500135 is about 4743.4307204807. The cubic root of 22500135 is about 282.3113732848.

Adding to 22500135 its reverse (53100522), we get a palindrome (75600657).

The spelling of 22500135 in words is "twenty-two million, five hundred thousand, one hundred thirty-five".