622074921 has 16 divisors (see below), whose sum is σ = 893718336. Its totient is φ = 382608576.

The previous prime is 622074913. The next prime is 622074961. The reversal of 622074921 is 129470226.

It is not a de Polignac number, because 622074921 - 2³ = 622074913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622074961) 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 15 ways as a sum of consecutive naturals, for example, 102066 + ... + 107988.

It is an arithmetic number, because the mean of its divisors is an integer number (55857396).

Almost surely, 2^622074921 is an apocalyptic number.

It is an amenable number.

622074921 is a deficient number, since it is larger than the sum of its proper divisors (271643415).

622074921 is a wasteful number, since it uses less digits than its factorization.

622074921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 622074921 is about 24941.4298106584. The cubic root of 622074921 is about 853.6520698381.

The spelling of 622074921 in words is "six hundred twenty-two million, seventy-four thousand, nine hundred twenty-one".