622404755 has 32 divisors (see below), whose sum is σ = 903260160. Its totient is φ = 402192000.

The previous prime is 622404743. The next prime is 622404779. The reversal of 622404755 is 557404226.

It is not a de Polignac number, because 622404755 - 2⁸ = 622404499 is a prime.

It is a super-3 number, since 3×622404755³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 128630 + ... + 133380.

It is an arithmetic number, because the mean of its divisors is an integer number (28226880).

Almost surely, 2^622404755 is an apocalyptic number.

622404755 is a deficient number, since it is larger than the sum of its proper divisors (280855405).

622404755 is a wasteful number, since it uses less digits than its factorization.

622404755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 622404755 is about 24948.0411054656. The cubic root of 622404755 is about 853.8029164746.

The spelling of 622404755 in words is "six hundred twenty-two million, four hundred four thousand, seven hundred fifty-five".