22502133 has 12 divisors (see below), whose sum is σ = 32549868. Its totient is φ = 14979840.

The previous prime is 22502131. The next prime is 22502141. The reversal of 22502133 is 33120522.

It can be written as a sum of positive squares in 2 ways, for example, as 14311089 + 8191044 = 3783^2 + 2862^2 .

It is not a de Polignac number, because 22502133 - 2¹ = 22502131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22502131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7141 + ... + 9797.

It is an arithmetic number, because the mean of its divisors is an integer number (2712489).

Almost surely, 2^22502133 is an apocalyptic number.

It is an amenable number.

22502133 is a deficient number, since it is larger than the sum of its proper divisors (10047735).

22502133 is a wasteful number, since it uses less digits than its factorization.

22502133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604 (or 3601 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22502133 is about 4743.6413228658. The cubic root of 22502133 is about 282.3197294040.

Adding to 22502133 its reverse (33120522), we get a palindrome (55622655).

The spelling of 22502133 in words is "twenty-two million, five hundred two thousand, one hundred thirty-three".