622222755 has 32 divisors (see below), whose sum is σ = 1241215488. Its totient is φ = 258585600.

The previous prime is 622222751. The next prime is 622222781. The reversal of 622222755 is 557222226.

622222755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 622222755 - 2² = 622222751 is a prime.

It is a super-2 number, since 2×622222755² = 774322313679580050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (622222751) 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, 268206 + ... + 270515.

It is an arithmetic number, because the mean of its divisors is an integer number (38787984).

Almost surely, 2^622222755 is an apocalyptic number.

622222755 is a deficient number, since it is larger than the sum of its proper divisors (618992733).

622222755 is a wasteful number, since it uses less digits than its factorization.

622222755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538747.

The product of its digits is 33600, while the sum is 33.

The square root of 622222755 is about 24944.3932578044. The cubic root of 622222755 is about 853.7196869907.

The spelling of 622222755 in words is "six hundred twenty-two million, two hundred twenty-two thousand, seven hundred fifty-five".