622224646240 has 48 divisors (see below), whose sum is σ = 1486522679040. Its totient is φ = 246093337600.

The previous prime is 622224646231. The next prime is 622224646283. The reversal of 622224646240 is 42646422226.

It is a happy number.

It is a super-2 number, since 2×622224646240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 622224646193 and 622224646202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21833536 + ... + 21862015.

It is an arithmetic number, because the mean of its divisors is an integer number (30969222480).

Almost surely, 2^622224646240 is an apocalyptic number.

It is an amenable number.

622224646240 is an abundant number, since it is smaller than the sum of its proper divisors (864298032800).

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

622224646240 is a wasteful number, since it uses less digits than its factorization.

622224646240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43695655 (or 43695647 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 622224646240 in words is "six hundred twenty-two billion, two hundred twenty-four million, six hundred forty-six thousand, two hundred forty".