22144300 has 36 divisors (see below), whose sum is σ = 48312880. Its totient is φ = 8809920.

The previous prime is 22144289. The next prime is 22144303. The reversal of 22144300 is 344122.

It is not an unprimeable number, because it can be changed into a prime (22144303) 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, 22417 + ... + 23383.

Almost surely, 2^22144300 is an apocalyptic number.

22144300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22144300 is an abundant number, since it is smaller than the sum of its proper divisors (26168580).

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

22144300 is a wasteful number, since it uses less digits than its factorization.

22144300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22144300 is about 4705.7730502012. The cubic root of 22144300 is about 280.8152261882.

Adding to 22144300 its reverse (344122), we get a palindrome (22488422).

It can be divided in two parts, 221 and 44300, that added together give a square (44521 = 211²).

The spelling of 22144300 in words is "twenty-two million, one hundred forty-four thousand, three hundred".