190005422 has 16 divisors (see below), whose sum is σ = 290225040. Its totient is φ = 93275712.

The previous prime is 190005407. The next prime is 190005493. The reversal of 190005422 is 224500091.

It is a super-2 number, since 2×190005422² = 72204120778796168, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 30593 + ... + 36275.

It is an arithmetic number, because the mean of its divisors is an integer number (18139065).

Almost surely, 2^190005422 is an apocalyptic number.

190005422 is a deficient number, since it is larger than the sum of its proper divisors (100219618).

190005422 is a wasteful number, since it uses less digits than its factorization.

190005422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 190005422 is about 13784.2454272985. The cubic root of 190005422 is about 574.8951763547.

The spelling of 190005422 in words is "one hundred ninety million, five thousand, four hundred twenty-two".