22250504 has 8 divisors (see below), whose sum is σ = 41719710. Its totient is φ = 11125248.

The previous prime is 22250489. The next prime is 22250507. The reversal of 22250504 is 40505222.

It can be written as a sum of positive squares in only one way, i.e., 21436900 + 813604 = 4630^2 + 902^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390649 + ... + 1390664.

Almost surely, 2^22250504 is an apocalyptic number.

It is an amenable number.

22250504 is a deficient number, since it is larger than the sum of its proper divisors (19469206).

22250504 is a wasteful number, since it uses less digits than its factorization.

22250504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781319 (or 2781315 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 22250504 is about 4717.0439896189. The cubic root of 22250504 is about 281.2634400820.

Adding to 22250504 its reverse (40505222), we get a palindrome (62755726).

The spelling of 22250504 in words is "twenty-two million, two hundred fifty thousand, five hundred four".