22074537 has 12 divisors (see below), whose sum is σ = 30081296. Its totient is φ = 14398920.

The previous prime is 22074529. The next prime is 22074541. The reversal of 22074537 is 73547022.

It is not a de Polignac number, because 22074537 - 2³ = 22074529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22074587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4962 + ... + 8292.

Almost surely, 2^22074537 is an apocalyptic number.

It is an amenable number.

22074537 is a deficient number, since it is larger than the sum of its proper divisors (8006759).

22074537 is an equidigital number, since it uses as much as digits as its factorization.

22074537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 22074537 is about 4698.3547120242. The cubic root of 22074537 is about 280.5200242440.

The spelling of 22074537 in words is "twenty-two million, seventy-four thousand, five hundred thirty-seven".