22374531 has 6 divisors (see below), whose sum is σ = 32318780. Its totient is φ = 14916348.

The previous prime is 22374509. The next prime is 22374551. The reversal of 22374531 is 13547322.

It is not a de Polignac number, because 22374531 - 2⁹ = 22374019 is a prime.

It is a super-2 number, since 2×22374531² = 1001239274939922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22374495 and 22374504.

It is not an unprimeable number, because it can be changed into a prime (22374551) 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 5 ways as a sum of consecutive naturals, for example, 1243021 + ... + 1243038.

Almost surely, 2^22374531 is an apocalyptic number.

22374531 is a deficient number, since it is larger than the sum of its proper divisors (9944249).

22374531 is a wasteful number, since it uses less digits than its factorization.

22374531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486065 (or 2486062 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 22374531 is about 4730.1724070059. The cubic root of 22374531 is about 281.7850708774.

The spelling of 22374531 in words is "twenty-two million, three hundred seventy-four thousand, five hundred thirty-one".