22024500 has 48 divisors (see below), whose sum is σ = 64139712. Its totient is φ = 5872800.

The previous prime is 22024493. The next prime is 22024507. The reversal of 22024500 is 542022.

It is an interprime number because it is at equal distance from previous prime (22024493) and next prime (22024507).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22024500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5842 + ... + 8841.

It is an arithmetic number, because the mean of its divisors is an integer number (1336244).

Almost surely, 2^22024500 is an apocalyptic number.

22024500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22024500 is an abundant number, since it is smaller than the sum of its proper divisors (42115212).

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

22024500 is a wasteful number, since it uses less digits than its factorization.

22024500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14705 (or 14693 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 22024500 is about 4693.0267418799. The cubic root of 22024500 is about 280.3079095741.

Adding to 22024500 its reverse (542022), we get a palindrome (22566522).

The spelling of 22024500 in words is "twenty-two million, twenty-four thousand, five hundred".