622263121 has 16 divisors (see below), whose sum is σ = 688389840. Its totient is φ = 559820800.

The previous prime is 622263113. The next prime is 622263139. The reversal of 622263121 is 121362226.

It can be written as a sum of positive squares in 8 ways, for example, as 127690000 + 494573121 = 11300^2 + 22239^2 .

It is a cyclic number.

It is not a de Polignac number, because 622263121 - 2³ = 622263113 is a prime.

It is a super-2 number, since 2×622263121² = 774422783513321282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (622263721) 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, 43545 + ... + 56041.

It is an arithmetic number, because the mean of its divisors is an integer number (43024365).

Almost surely, 2^622263121 is an apocalyptic number.

It is an amenable number.

622263121 is a deficient number, since it is larger than the sum of its proper divisors (66126719).

622263121 is a wasteful number, since it uses less digits than its factorization.

622263121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12644.

The product of its digits is 1728, while the sum is 25.

The square root of 622263121 is about 24945.2023643826. The cubic root of 622263121 is about 853.7381479590.

The spelling of 622263121 in words is "six hundred twenty-two million, two hundred sixty-three thousand, one hundred twenty-one".