22523002 has 4 divisors (see below), whose sum is σ = 33784506. Its totient is φ = 11261500.

The previous prime is 22522991. The next prime is 22523023. The reversal of 22523002 is 20032522.

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., 11758041 + 10764961 = 3429^2 + 3281^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5630749 + ... + 5630752.

Almost surely, 2^22523002 is an apocalyptic number.

22523002 is a deficient number, since it is larger than the sum of its proper divisors (11261504).

22523002 is a wasteful number, since it uses less digits than its factorization.

22523002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261503.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 22523002 is about 4745.8404945805. The cubic root of 22523002 is about 282.4069790586.

Adding to 22523002 its reverse (20032522), we get a palindrome (42555524).

The spelling of 22523002 in words is "twenty-two million, five hundred twenty-three thousand, two".