622814125444 has 18 divisors (see below), whose sum is σ = 1267871612910. Its totient is φ = 266920339392.

The previous prime is 622814125429. The next prime is 622814125463. The reversal of 622814125444 is 444521418226.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 622738783044 + 75342400 = 789138^2 + 8680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 622814125444.

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, 1588811349 + ... + 1588811740.

Almost surely, 2^622814125444 is an apocalyptic number.

It is an amenable number.

622814125444 is an abundant number, since it is smaller than the sum of its proper divisors (645057487466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622814125444 is a wasteful number, since it uses less digits than its factorization.

622814125444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177623107 (or 3177623098 counting only the distinct ones).

The product of its digits is 491520, while the sum is 43.

The spelling of 622814125444 in words is "six hundred twenty-two billion, eight hundred fourteen million, one hundred twenty-five thousand, four hundred forty-four".