189532224 has 168 divisors, whose sum is σ = 644233408. Its totient is φ = 54120960.

The previous prime is 189532223. The next prime is 189532319. The reversal of 189532224 is 422235981.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (189532223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107994 + ... + 109734.

Almost surely, 2^189532224 is an apocalyptic number.

189532224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189532224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322116704).

189532224 is an abundant number, since it is smaller than the sum of its proper divisors (454701184).

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

189532224 is an equidigital number, since it uses as much as digits as its factorization.

189532224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1753 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 189532224 is about 13767.0702765694. The cubic root of 189532224 is about 574.4175314001.

The spelling of 189532224 in words is "one hundred eighty-nine million, five hundred thirty-two thousand, two hundred twenty-four".