22570004 has 12 divisors (see below), whose sum is σ = 40859700. Its totient is φ = 10895808.

The previous prime is 22570003. The next prime is 22570007. The reversal of 22570004 is 40007522.

It can be written as a sum of positive squares in 2 ways, for example, as 17056900 + 5513104 = 4130^2 + 2348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22570003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97169 + ... + 97400.

It is an arithmetic number, because the mean of its divisors is an integer number (3404975).

Almost surely, 2^22570004 is an apocalyptic number.

It is an amenable number.

22570004 is a deficient number, since it is larger than the sum of its proper divisors (18289696).

22570004 is a wasteful number, since it uses less digits than its factorization.

22570004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194602 (or 194600 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 22570004 is about 4750.7898290705. The cubic root of 22570004 is about 282.6032890375.

Adding to 22570004 its reverse (40007522), we get a palindrome (62577526).

The spelling of 22570004 in words is "twenty-two million, five hundred seventy thousand, four".