622656045 has 32 divisors (see below), whose sum is σ = 1207578240. Its totient is φ = 301893120.

The previous prime is 622656029. The next prime is 622656061. The reversal of 622656045 is 540656226.

It is an interprime number because it is at equal distance from previous prime (622656029) and next prime (622656061).

It is not a de Polignac number, because 622656045 - 2⁴ = 622656029 is a prime.

It is a super-4 number, since 4×622656045⁴ (a number of 36 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208164 + ... + 211133.

It is an arithmetic number, because the mean of its divisors is an integer number (37736820).

Almost surely, 2^622656045 is an apocalyptic number.

It is an amenable number.

622656045 is a deficient number, since it is larger than the sum of its proper divisors (584922195).

622656045 is a wasteful number, since it uses less digits than its factorization.

622656045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419322 (or 419316 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 622656045 is about 24953.0768643869. The cubic root of 622656045 is about 853.9178059497.

The spelling of 622656045 in words is "six hundred twenty-two million, six hundred fifty-six thousand, forty-five".