189022470 has 64 divisors (see below), whose sum is σ = 558351360. Its totient is φ = 39881088.

The previous prime is 189022429. The next prime is 189022481. The reversal of 189022470 is 74220981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31890 + ... + 37349.

It is an arithmetic number, because the mean of its divisors is an integer number (8724240).

Almost surely, 2^189022470 is an apocalyptic number.

189022470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189022470 is an abundant number, since it is smaller than the sum of its proper divisors (369328890).

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

189022470 is a wasteful number, since it uses less digits than its factorization.

189022470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69269.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 189022470 is about 13748.5442865781. The cubic root of 189022470 is about 573.9020965568.

The spelling of 189022470 in words is "one hundred eighty-nine million, twenty-two thousand, four hundred seventy".