22931002 has 4 divisors (see below), whose sum is σ = 34396506. Its totient is φ = 11465500.

The previous prime is 22930981. The next prime is 22931017. The reversal of 22931002 is 20013922.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15689521 + 7241481 = 3961^2 + 2691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5732749 + ... + 5732752.

Almost surely, 2^22931002 is an apocalyptic number.

22931002 is a deficient number, since it is larger than the sum of its proper divisors (11465504).

22931002 is a wasteful number, since it uses less digits than its factorization.

22931002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11465503.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 22931002 is about 4788.6325814370. The cubic root of 22931002 is about 284.1020346852.

Adding to 22931002 its reverse (20013922), we get a palindrome (42944924).

The spelling of 22931002 in words is "twenty-two million, nine hundred thirty-one thousand, two".