622988031 has 4 divisors (see below), whose sum is σ = 830650712. Its totient is φ = 415325352.

The previous prime is 622988011. The next prime is 622988033. The reversal of 622988031 is 130889226.

It is a happy number.

622988031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 622988031 - 2¹⁰ = 622987007 is a prime.

It is a super-2 number, since 2×622988031² = 776228173538513922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622988033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103831336 + ... + 103831341.

It is an arithmetic number, because the mean of its divisors is an integer number (207662678).

Almost surely, 2^622988031 is an apocalyptic number.

622988031 is a deficient number, since it is larger than the sum of its proper divisors (207662681).

622988031 is a wasteful number, since it uses less digits than its factorization.

622988031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207662680.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 622988031 is about 24959.7281836161. The cubic root of 622988031 is about 854.0695421507.

The spelling of 622988031 in words is "six hundred twenty-two million, nine hundred eighty-eight thousand, thirty-one".