622373938956 has 480 divisors, whose sum is σ = 2125342162944. Its totient is φ = 154093104000.

The previous prime is 622373938939. The next prime is 622373938993. The reversal of 622373938956 is 659839373226.

622373938956 is a `hidden beast` number, since 6 + 2 + 237 + 393 + 8 + 9 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 622373938893 and 622373938902.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 51810991 + ... + 51823001.

Almost surely, 2^622373938956 is an apocalyptic number.

622373938956 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622373938956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062671081472).

622373938956 is an abundant number, since it is smaller than the sum of its proper divisors (1502968223988).

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

622373938956 is a wasteful number, since it uses less digits than its factorization.

622373938956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12143 (or 12132 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 63.

The spelling of 622373938956 in words is "six hundred twenty-two billion, three hundred seventy-three million, nine hundred thirty-eight thousand, nine hundred fifty-six".