622264540 has 24 divisors (see below), whose sum is σ = 1363572000. Its totient is φ = 238083648.

The previous prime is 622264493. The next prime is 622264579. The reversal of 622264540 is 45462226.

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, 675915 + ... + 676834.

It is an arithmetic number, because the mean of its divisors is an integer number (56815500).

Almost surely, 2^622264540 is an apocalyptic number.

It is an amenable number.

622264540 is an abundant number, since it is smaller than the sum of its proper divisors (741307460).

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

622264540 is a wasteful number, since it uses less digits than its factorization.

622264540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352781 (or 1352779 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 622264540 is about 24945.2308067093. The cubic root of 622264540 is about 853.7387969093.

It can be divided in two parts, 62226 and 4540, that added together give a palindrome (66766).

The spelling of 622264540 in words is "six hundred twenty-two million, two hundred sixty-four thousand, five hundred forty".