188468922 has 8 divisors (see below), whose sum is σ = 376937856. Its totient is φ = 62822972.

The previous prime is 188468911. The next prime is 188468927. The reversal of 188468922 is 229864881.

It is a sphenic number, since it is the product of 3 distinct primes.

188468922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (188468927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15705738 + ... + 15705749.

It is an arithmetic number, because the mean of its divisors is an integer number (47117232).

Almost surely, 2^188468922 is an apocalyptic number.

188468922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

188468922 is a wasteful number, since it uses less digits than its factorization.

188468922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31411492.

The product of its digits is 442368, while the sum is 48.

The square root of 188468922 is about 13728.3983770868. The cubic root of 188468922 is about 573.3413290604.

It can be divided in two parts, 1884689 and 22, that added together give a triangular number (1884711 = T₁₉₄₁).

The spelling of 188468922 in words is "one hundred eighty-eight million, four hundred sixty-eight thousand, nine hundred twenty-two".