622977091 has 12 divisors (see below), whose sum is σ = 686023576. Its totient is φ = 565297920.

The previous prime is 622977071. The next prime is 622977133. The reversal of 622977091 is 190779226.

It is not a de Polignac number, because 622977091 - 2¹⁵ = 622944323 is a prime.

It is a super-3 number, since 3×622977091³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622977031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65356 + ... + 74278.

Almost surely, 2^622977091 is an apocalyptic number.

622977091 is a deficient number, since it is larger than the sum of its proper divisors (63046485).

622977091 is a wasteful number, since it uses less digits than its factorization.

622977091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522 (or 9511 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 622977091 is about 24959.5090296264. The cubic root of 622977091 is about 854.0645428168.

The spelling of 622977091 in words is "six hundred twenty-two million, nine hundred seventy-seven thousand, ninety-one".