622090885 has 8 divisors (see below), whose sum is σ = 803932920. Its totient is φ = 459390144.

The previous prime is 622090849. The next prime is 622090901. The reversal of 622090885 is 588090226.

It can be written as a sum of positive squares in 4 ways, for example, as 7745089 + 614345796 = 2783^2 + 24786^2 .

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 622090885 - 2⁹ = 622090373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4785250 + ... + 4785379.

It is an arithmetic number, because the mean of its divisors is an integer number (100491615).

Almost surely, 2^622090885 is an apocalyptic number.

622090885 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

622090885 is a deficient number, since it is larger than the sum of its proper divisors (181842035).

622090885 is a wasteful number, since it uses less digits than its factorization.

622090885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9570647.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 622090885 is about 24941.7498383734. The cubic root of 622090885 is about 853.6593720588.

The spelling of 622090885 in words is "six hundred twenty-two million, ninety thousand, eight hundred eighty-five".