622252151521 has 32 divisors (see below), whose sum is σ = 836848631808. Its totient is φ = 446836184640.

The previous prime is 622252151407. The next prime is 622252151539. The reversal of 622252151521 is 125151252226.

It is a cyclic number.

It is not a de Polignac number, because 622252151521 - 2¹⁷ = 622252020449 is a prime.

It is a super-2 number, since 2×622252151521² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (622252151221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95556 + ... + 1119658.

It is an arithmetic number, because the mean of its divisors is an integer number (26151519744).

Almost surely, 2^622252151521 is an apocalyptic number.

It is an amenable number.

622252151521 is a deficient number, since it is larger than the sum of its proper divisors (214596480287).

622252151521 is a wasteful number, since it uses less digits than its factorization.

622252151521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024741.

The product of its digits is 24000, while the sum is 34.

The spelling of 622252151521 in words is "six hundred twenty-two billion, two hundred fifty-two million, one hundred fifty-one thousand, five hundred twenty-one".