622694520452 has 24 divisors (see below), whose sum is σ = 1105988929752. Its totient is φ = 306708076800.

The previous prime is 622694520451. The next prime is 622694520491. The reversal of 622694520452 is 254025496226.

622694520452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 208854484036 + 413840036416 = 457006^2 + 643304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 622694520397 and 622694520406.

It is not an unprimeable number, because it can be changed into a prime (622694520451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058999 + ... + 1538462.

It is an arithmetic number, because the mean of its divisors is an integer number (46082872073).

Almost surely, 2^622694520452 is an apocalyptic number.

It is an amenable number.

622694520452 is a deficient number, since it is larger than the sum of its proper divisors (483294409300).

622694520452 is a wasteful number, since it uses less digits than its factorization.

622694520452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598359 (or 2598357 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 622694520452 in words is "six hundred twenty-two billion, six hundred ninety-four million, five hundred twenty thousand, four hundred fifty-two".