189574224 has 80 divisors (see below), whose sum is σ = 564761472. Its totient is φ = 53673984.

The previous prime is 189574213. The next prime is 189574237. The reversal of 189574224 is 422475981.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35472 + ... + 40464.

Almost surely, 2^189574224 is an apocalyptic number.

189574224 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 189574224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282380736).

189574224 is an abundant number, since it is smaller than the sum of its proper divisors (375187248).

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

189574224 is a wasteful number, since it uses less digits than its factorization.

189574224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124 (or 5118 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 189574224 is about 13768.5955710813. The cubic root of 189574224 is about 574.4599582303.

The spelling of 189574224 in words is "one hundred eighty-nine million, five hundred seventy-four thousand, two hundred twenty-four".