622338944450 has 12 divisors (see below), whose sum is σ = 1157550436770. Its totient is φ = 248935577760.

The previous prime is 622338944449. The next prime is 622338944467. The reversal of 622338944450 is 54449833226.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 409409302201 + 212929642249 = 639851^2 + 461443^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 12446778889 = 622338944450 / (6 + 2 + 2 + 3 + 3 + 8 + 9 + 4 + 4 + 4 + 5 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6223389395 + ... + 6223389494.

Almost surely, 2^622338944450 is an apocalyptic number.

622338944450 is a deficient number, since it is larger than the sum of its proper divisors (535211492320).

622338944450 is a wasteful number, since it uses less digits than its factorization.

622338944450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12446778901 (or 12446778896 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 622338944450 in words is "six hundred twenty-two billion, three hundred thirty-eight million, nine hundred forty-four thousand, four hundred fifty".