22743532 has 24 divisors (see below), whose sum is σ = 47882240. Its totient is φ = 9234000.

The previous prime is 22743529. The next prime is 22743559. The reversal of 22743532 is 23534722.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 22743532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20844 + ... + 21907.

Almost surely, 2^22743532 is an apocalyptic number.

It is an amenable number.

22743532 is an abundant number, since it is smaller than the sum of its proper divisors (25138708).

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

22743532 is a wasteful number, since it uses less digits than its factorization.

22743532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42781 (or 42779 counting only the distinct ones).

The product of its digits is 10080, while the sum is 28.

The square root of 22743532 is about 4769.0179282532. The cubic root of 22743532 is about 283.3256997559.

The spelling of 22743532 in words is "twenty-two million, seven hundred forty-three thousand, five hundred thirty-two".