189025224 has 128 divisors (see below), whose sum is σ = 528768000. Its totient is φ = 56035584.

The previous prime is 189025223. The next prime is 189025229. The reversal of 189025224 is 422520981.

It is not an unprimeable number, because it can be changed into a prime (189025223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702562 + ... + 702830.

It is an arithmetic number, because the mean of its divisors is an integer number (4131000).

Almost surely, 2^189025224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189025224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264384000).

189025224 is an abundant number, since it is smaller than the sum of its proper divisors (339742776).

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

189025224 is a wasteful number, since it uses less digits than its factorization.

189025224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 189025224 is about 13748.6444422714. The cubic root of 189025224 is about 573.9048837363.

The spelling of 189025224 in words is "one hundred eighty-nine million, twenty-five thousand, two hundred twenty-four".