622420145022 has 48 divisors (see below), whose sum is σ = 1361859896880. Its totient is φ = 189539490816.

The previous prime is 622420145003. The next prime is 622420145047. The reversal of 622420145022 is 220541024226.

It is a super-2 number, since 2×622420145022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3065697 + ... + 3262412.

It is an arithmetic number, because the mean of its divisors is an integer number (28372081185).

Almost surely, 2^622420145022 is an apocalyptic number.

622420145022 is an abundant number, since it is smaller than the sum of its proper divisors (739439751858).

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

622420145022 is a wasteful number, since it uses less digits than its factorization.

622420145022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328237 (or 6328224 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 622420145022 its reverse (220541024226), we get a palindrome (842961169248).

The spelling of 622420145022 in words is "six hundred twenty-two billion, four hundred twenty million, one hundred forty-five thousand, twenty-two".