622142392 has 16 divisors (see below), whose sum is σ = 1168493040. Its totient is φ = 310544256.

The previous prime is 622142377. The next prime is 622142401. The reversal of 622142392 is 293241226.

It is a super-2 number, since 2×622142392² = 774122311846963328, 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 3 ways as a sum of consecutive naturals, for example, 60828 + ... + 70315.

It is an arithmetic number, because the mean of its divisors is an integer number (73030815).

Almost surely, 2^622142392 is an apocalyptic number.

It is an amenable number.

622142392 is a deficient number, since it is larger than the sum of its proper divisors (546350648).

622142392 is a wasteful number, since it uses less digits than its factorization.

622142392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131742 (or 131738 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 622142392 is about 24942.7823628400. The cubic root of 622142392 is about 853.6829314352.

The spelling of 622142392 in words is "six hundred twenty-two million, one hundred forty-two thousand, three hundred ninety-two".