622677031 has 2 divisors, whose sum is σ = 622677032. Its totient is φ = 622677030.

The previous prime is 622676983. The next prime is 622677043. The reversal of 622677031 is 130776226.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622677031 - 2⁹ = 622676519 is a prime.

It is a super-2 number, since 2×622677031² = 775453369869949922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622677331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311338515 + 311338516.

It is an arithmetic number, because the mean of its divisors is an integer number (311338516).

Almost surely, 2^622677031 is an apocalyptic number.

622677031 is a deficient number, since it is larger than the sum of its proper divisors (1).

622677031 is an equidigital number, since it uses as much as digits as its factorization.

622677031 is an evil number, because the sum of its binary digits is even.

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

The square root of 622677031 is about 24953.4973701083. The cubic root of 622677031 is about 853.9273993241.

The spelling of 622677031 in words is "six hundred twenty-two million, six hundred seventy-seven thousand, thirty-one".