622456667 has 16 divisors (see below), whose sum is σ = 748396800. Its totient is φ = 506395680.

The previous prime is 622456643. The next prime is 622456687. The reversal of 622456667 is 766654226.

It is not a de Polignac number, because 622456667 - 2¹⁰ = 622455643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622456687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14009 + ... + 37962.

It is an arithmetic number, because the mean of its divisors is an integer number (46774800).

Almost surely, 2^622456667 is an apocalyptic number.

622456667 is a deficient number, since it is larger than the sum of its proper divisors (125940133).

622456667 is a wasteful number, since it uses less digits than its factorization.

622456667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52066.

The product of its digits is 725760, while the sum is 44.

The square root of 622456667 is about 24949.0814860988. The cubic root of 622456667 is about 853.8266531103.

The spelling of 622456667 in words is "six hundred twenty-two million, four hundred fifty-six thousand, six hundred sixty-seven".