22464531 has 48 divisors (see below), whose sum is σ = 36560160. Its totient is φ = 13224960.

The previous prime is 22464529. The next prime is 22464557. The reversal of 22464531 is 13546422.

It is not a de Polignac number, because 22464531 - 2¹ = 22464529 is a prime.

It is a super-2 number, since 2×22464531² = 1009310306099922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22464495 and 22464504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22464511) 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 47 ways as a sum of consecutive naturals, for example, 270616 + ... + 270698.

It is an arithmetic number, because the mean of its divisors is an integer number (761670).

Almost surely, 2^22464531 is an apocalyptic number.

22464531 is a deficient number, since it is larger than the sum of its proper divisors (14095629).

22464531 is a wasteful number, since it uses less digits than its factorization.

22464531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 193 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22464531 is about 4739.6762547668. The cubic root of 22464531 is about 282.1623857261.

It can be divided in two parts, 224645 and 31, that added together give a square (224676 = 474²).

The spelling of 22464531 in words is "twenty-two million, four hundred sixty-four thousand, five hundred thirty-one".