622222013 has 32 divisors (see below), whose sum is σ = 788797440. Its totient is φ = 478526400.

The previous prime is 622222001. The next prime is 622222039. The reversal of 622222013 is 310222226.

It is not a de Polignac number, because 622222013 - 2¹² = 622217917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622222043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326363 + ... + 328263.

It is an arithmetic number, because the mean of its divisors is an integer number (24649920).

Almost surely, 2^622222013 is an apocalyptic number.

It is an amenable number.

622222013 is a deficient number, since it is larger than the sum of its proper divisors (166575427).

622222013 is a wasteful number, since it uses less digits than its factorization.

622222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 622222013 is about 24944.3783847183. The cubic root of 622222013 is about 853.7193476373.

Adding to 622222013 its reverse (310222226), we get a palindrome (932444239).

The spelling of 622222013 in words is "six hundred twenty-two million, two hundred twenty-two thousand, thirteen".