22824072 has 32 divisors (see below), whose sum is σ = 63400800. Its totient is φ = 7607952.

The previous prime is 22824071. The next prime is 22824077. The reversal of 22824072 is 27042822.

It is a super-2 number, since 2×22824072² = 1041876525322368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22824071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52618 + ... + 53049.

It is an arithmetic number, because the mean of its divisors is an integer number (1981275).

Almost surely, 2^22824072 is an apocalyptic number.

It is an amenable number.

22824072 is an abundant number, since it is smaller than the sum of its proper divisors (40576728).

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

22824072 is a wasteful number, since it uses less digits than its factorization.

22824072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105682 (or 105672 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 22824072 is about 4777.4545523741. The cubic root of 22824072 is about 283.6597459207.

Adding to 22824072 its reverse (27042822), we get a palindrome (49866894).

The spelling of 22824072 in words is "twenty-two million, eight hundred twenty-four thousand, seventy-two".