622667705 has 16 divisors (see below), whose sum is σ = 841425408. Its totient is φ = 438240000.

The previous prime is 622667699. The next prime is 622667713. The reversal of 622667705 is 507766226.

It is a happy number.

It is not a de Polignac number, because 622667705 - 2¹² = 622663609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180896 + ... + 184305.

It is an arithmetic number, because the mean of its divisors is an integer number (52589088).

Almost surely, 2^622667705 is an apocalyptic number.

It is an amenable number.

622667705 is a deficient number, since it is larger than the sum of its proper divisors (218757703).

622667705 is a wasteful number, since it uses less digits than its factorization.

622667705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365248.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 622667705 is about 24953.3105018152. The cubic root of 622667705 is about 853.9231361367.

The spelling of 622667705 in words is "six hundred twenty-two million, six hundred sixty-seven thousand, seven hundred five".