22074437 has 32 divisors (see below), whose sum is σ = 28892160. Its totient is φ = 16369920.

The previous prime is 22074433. The next prime is 22074439. The reversal of 22074437 is 73447022.

It is not a de Polignac number, because 22074437 - 2² = 22074433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22074433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195293 + ... + 195405.

It is an arithmetic number, because the mean of its divisors is an integer number (902880).

Almost surely, 2^22074437 is an apocalyptic number.

It is an amenable number.

22074437 is a deficient number, since it is larger than the sum of its proper divisors (6817723).

22074437 is a wasteful number, since it uses less digits than its factorization.

22074437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 22074437 is about 4698.3440699889. The cubic root of 22074437 is about 280.5196006482.

The spelling of 22074437 in words is "twenty-two million, seventy-four thousand, four hundred thirty-seven".