622429603445 has 24 divisors (see below), whose sum is σ = 856366095816. Its totient is φ = 432602646528.

The previous prime is 622429603421. The next prime is 622429603459. The reversal of 622429603445 is 544306924226.

It can be written as a sum of positive squares in 12 ways, for example, as 85751751556 + 536677851889 = 292834^2 + 732583^2 .

It is not a de Polignac number, because 622429603445 - 2⁸ = 622429603189 is a prime.

It is a super-2 number, since 2×622429603445² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 622429603445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21650432 + ... + 21679161.

It is an arithmetic number, because the mean of its divisors is an integer number (35681920659).

Almost surely, 2^622429603445 is an apocalyptic number.

622429603445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

622429603445 is a deficient number, since it is larger than the sum of its proper divisors (233936492371).

622429603445 is a wasteful number, since it uses less digits than its factorization.

622429603445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43329641 (or 43329628 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 622429603445 in words is "six hundred twenty-two billion, four hundred twenty-nine million, six hundred three thousand, four hundred forty-five".