22073504 has 12 divisors (see below), whose sum is σ = 43457274. Its totient is φ = 11036736.

The previous prime is 22073501. The next prime is 22073507. The reversal of 22073504 is 40537022.

It is an interprime number because it is at equal distance from previous prime (22073501) and next prime (22073507).

It can be written as a sum of positive squares in only one way, i.e., 18905104 + 3168400 = 4348^2 + 1780^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22073504.

It is not an unprimeable number, because it can be changed into a prime (22073501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344867 + ... + 344930.

Almost surely, 2^22073504 is an apocalyptic number.

It is an amenable number.

22073504 is a deficient number, since it is larger than the sum of its proper divisors (21383770).

22073504 is an equidigital number, since it uses as much as digits as its factorization.

22073504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689807 (or 689799 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22073504 is about 4698.2447786381. The cubic root of 22073504 is about 280.5156484375.

The spelling of 22073504 in words is "twenty-two million, seventy-three thousand, five hundred four".