189221200 has 60 divisors (see below), whose sum is σ = 519555040. Its totient is φ = 64874880.

The previous prime is 189221189. The next prime is 189221231. The reversal of 189221200 is 2122981.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30990 + ... + 36589.

Almost surely, 2^189221200 is an apocalyptic number.

189221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189221200 is an abundant number, since it is smaller than the sum of its proper divisors (330333840).

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

189221200 is a wasteful number, since it uses less digits than its factorization.

189221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67604 (or 67593 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 189221200 is about 13755.7696985665. The cubic root of 189221200 is about 574.1031513438.

The spelling of 189221200 in words is "one hundred eighty-nine million, two hundred twenty-one thousand, two hundred".