22245432 has 32 divisors (see below), whose sum is σ = 60670080. Its totient is φ = 6740960.

The previous prime is 22245427. The next prime is 22245449. The reversal of 22245432 is 23454222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41868 + ... + 42395.

It is an arithmetic number, because the mean of its divisors is an integer number (1895940).

Almost surely, 2^22245432 is an apocalyptic number.

22245432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22245432 is an abundant number, since it is smaller than the sum of its proper divisors (38424648).

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

22245432 is a wasteful number, since it uses less digits than its factorization.

22245432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84283 (or 84279 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 22245432 is about 4716.5063341418. The cubic root of 22245432 is about 281.2420671343.

Adding to 22245432 its reverse (23454222), we get a palindrome (45699654).

It can be divided in two parts, 222 and 45432, that added together give a palindrome (45654).

The spelling of 22245432 in words is "twenty-two million, two hundred forty-five thousand, four hundred thirty-two".