190572228 has 72 divisors (see below), whose sum is σ = 600600000. Its totient is φ = 49498560.

The previous prime is 190572209. The next prime is 190572247. The reversal of 190572228 is 822275091.

It is an interprime number because it is at equal distance from previous prime (190572209) and next prime (190572247).

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

It is a junction number, because it is equal to n+sod(n) for n = 190572192 and 190572201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31603 + ... + 37146.

Almost surely, 2^190572228 is an apocalyptic number.

190572228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190572228 is an abundant number, since it is smaller than the sum of its proper divisors (410027772).

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

190572228 is a wasteful number, since it uses less digits than its factorization.

190572228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68777 (or 68772 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 190572228 is about 13804.7900382440. The cubic root of 190572228 is about 575.4662662899.

The spelling of 190572228 in words is "one hundred ninety million, five hundred seventy-two thousand, two hundred twenty-eight".