622870405920 has 288 divisors, whose sum is σ = 2488444882560. Its totient is φ = 138897838080.

The previous prime is 622870405907. The next prime is 622870405951. The reversal of 622870405920 is 29504078226.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 340290 + ... + 1166849.

It is an arithmetic number, because the mean of its divisors is an integer number (8640433620).

Almost surely, 2^622870405920 is an apocalyptic number.

622870405920 is a gapful number since it is divisible by the number (60) 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 622870405920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244222441280).

622870405920 is an abundant number, since it is smaller than the sum of its proper divisors (1865574476640).

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

622870405920 is a wasteful number, since it uses less digits than its factorization.

622870405920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507208 (or 1507197 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 622870405920 in words is "six hundred twenty-two billion, eight hundred seventy million, four hundred five thousand, nine hundred twenty".