189174225 has 24 divisors (see below), whose sum is σ = 318676032. Its totient is φ = 98987200.

The previous prime is 189174211. The next prime is 189174233. The reversal of 189174225 is 522471981.

It is not a de Polignac number, because 189174225 - 2¹¹ = 189172177 is a prime.

It is a super-3 number, since 3×189174225³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19821 + ... + 27770.

It is an arithmetic number, because the mean of its divisors is an integer number (13278168).

Almost surely, 2^189174225 is an apocalyptic number.

189174225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189174225 is a deficient number, since it is larger than the sum of its proper divisors (129501807).

189174225 is a wasteful number, since it uses less digits than its factorization.

189174225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47657 (or 47652 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 189174225 is about 13754.0621272408. The cubic root of 189174225 is about 574.0556395296.

The spelling of 189174225 in words is "one hundred eighty-nine million, one hundred seventy-four thousand, two hundred twenty-five".