22510002 has 16 divisors (see below), whose sum is σ = 45073440. Its totient is φ = 7494432.

The previous prime is 22509983. The next prime is 22510043. The reversal of 22510002 is 20001522.

It is a self number, because there is not a number n which added to its sum of digits gives 22510002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5113 + ... + 8435.

It is an arithmetic number, because the mean of its divisors is an integer number (2817090).

Almost surely, 2^22510002 is an apocalyptic number.

22510002 is an abundant number, since it is smaller than the sum of its proper divisors (22563438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22510002 is a wasteful number, since it uses less digits than its factorization.

22510002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 22510002 is about 4744.4706764823. The cubic root of 22510002 is about 282.3526346555.

Adding to 22510002 its reverse (20001522), we get a palindrome (42511524).

The spelling of 22510002 in words is "twenty-two million, five hundred ten thousand, two".