622163431 has 8 divisors (see below), whose sum is σ = 639284624. Its totient is φ = 605162880.

The previous prime is 622163429. The next prime is 622163471. The reversal of 622163431 is 134361226.

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

It is a cyclic number.

It is not a de Polignac number, because 622163431 - 2¹ = 622163429 is a prime.

It is a super-2 number, since 2×622163431² = 774174669747383522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 622163431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622163401) 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 7 ways as a sum of consecutive naturals, for example, 19656 + ... + 40381.

It is an arithmetic number, because the mean of its divisors is an integer number (79910578).

Almost surely, 2^622163431 is an apocalyptic number.

622163431 is a deficient number, since it is larger than the sum of its proper divisors (17121193).

622163431 is a wasteful number, since it uses less digits than its factorization.

622163431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60321.

The product of its digits is 5184, while the sum is 28.

The square root of 622163431 is about 24943.2041045251. The cubic root of 622163431 is about 853.6925543302.

The spelling of 622163431 in words is "six hundred twenty-two million, one hundred sixty-three thousand, four hundred thirty-one".