190442922 has 16 divisors (see below), whose sum is σ = 391180512. Its totient is φ = 61765200.

The previous prime is 190442899. The next prime is 190442981. The reversal of 190442922 is 229244091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428704 + ... + 429147.

It is an arithmetic number, because the mean of its divisors is an integer number (24448782).

Almost surely, 2^190442922 is an apocalyptic number.

190442922 is an abundant number, since it is smaller than the sum of its proper divisors (200737590).

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

190442922 is a wasteful number, since it uses less digits than its factorization.

190442922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857893.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 190442922 is about 13800.1058691591. The cubic root of 190442922 is about 575.3360827931.

The spelling of 190442922 in words is "one hundred ninety million, four hundred forty-two thousand, nine hundred twenty-two".