190422142 has 32 divisors (see below), whose sum is σ = 307480320. Its totient is φ = 88179840.

The previous prime is 190422137. The next prime is 190422143. The reversal of 190422142 is 241224091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190422143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 439558 + ... + 439990.

It is an arithmetic number, because the mean of its divisors is an integer number (9608760).

Almost surely, 2^190422142 is an apocalyptic number.

190422142 is a deficient number, since it is larger than the sum of its proper divisors (117058178).

190422142 is a wasteful number, since it uses less digits than its factorization.

190422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 190422142 is about 13799.3529558454. The cubic root of 190422142 is about 575.3151562805.

The spelling of 190422142 in words is "one hundred ninety million, four hundred twenty-two thousand, one hundred forty-two".