22473732 has 48 divisors (see below), whose sum is σ = 55563200. Its totient is φ = 7050240.

The previous prime is 22473721. The next prime is 22473733. The reversal of 22473732 is 23737422.

It is a self number, because there is not a number n which added to its sum of digits gives 22473732.

It is not an unprimeable number, because it can be changed into a prime (22473733) 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 15 ways as a sum of consecutive naturals, for example, 54744 + ... + 55152.

Almost surely, 2^22473732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22473732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27781600).

22473732 is an abundant number, since it is smaller than the sum of its proper divisors (33089468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22473732 is a wasteful number, since it uses less digits than its factorization.

22473732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 674 counting only the distinct ones).

The product of its digits is 14112, while the sum is 30.

The square root of 22473732 is about 4740.6467913145. The cubic root of 22473732 is about 282.2009030632.

The spelling of 22473732 in words is "twenty-two million, four hundred seventy-three thousand, seven hundred thirty-two".