22153800 has 48 divisors (see below), whose sum is σ = 68678640. Its totient is φ = 5907520.

The previous prime is 22153777. The next prime is 22153801. The reversal of 22153800 is 835122.

It is not an unprimeable number, because it can be changed into a prime (22153801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17862 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (1430805).

Almost surely, 2^22153800 is an apocalyptic number.

22153800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22153800 is an abundant number, since it is smaller than the sum of its proper divisors (46524840).

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

22153800 is a wasteful number, since it uses less digits than its factorization.

22153800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36942 (or 36933 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22153800 is about 4706.7823404105. The cubic root of 22153800 is about 280.8553774273.

Adding to 22153800 its reverse (835122), we get a palindrome (22988922).

The spelling of 22153800 in words is "twenty-two million, one hundred fifty-three thousand, eight hundred".