622077631 has 4 divisors (see below), whose sum is σ = 710945872. Its totient is φ = 533209392.

The previous prime is 622077611. The next prime is 622077649. The reversal of 622077631 is 136770226.

It is a happy number.

622077631 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 a cyclic number.

It is not a de Polignac number, because 622077631 - 2⁷ = 622077503 is a prime.

It is a super-2 number, since 2×622077631² = 773961157981144322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622077611) 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, 44434110 + ... + 44434123.

It is an arithmetic number, because the mean of its divisors is an integer number (177736468).

Almost surely, 2^622077631 is an apocalyptic number.

622077631 is a deficient number, since it is larger than the sum of its proper divisors (88868241).

622077631 is an equidigital number, since it uses as much as digits as its factorization.

622077631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88868240.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 622077631 is about 24941.4841378776. The cubic root of 622077631 is about 853.6533094497.

The spelling of 622077631 in words is "six hundred twenty-two million, seventy-seven thousand, six hundred thirty-one".