622285420 has 48 divisors (see below), whose sum is σ = 1322350848. Its totient is φ = 245972160.

The previous prime is 622285409. The next prime is 622285429. The reversal of 622285420 is 24582226.

It is not an unprimeable number, because it can be changed into a prime (622285429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704299 + ... + 705181.

It is an arithmetic number, because the mean of its divisors is an integer number (27548976).

Almost surely, 2^622285420 is an apocalyptic number.

It is an amenable number.

622285420 is an abundant number, since it is smaller than the sum of its proper divisors (700065428).

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

622285420 is a wasteful number, since it uses less digits than its factorization.

622285420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 622285420 is about 24945.6493200718. The cubic root of 622285420 is about 853.7483458313.

The spelling of 622285420 in words is "six hundred twenty-two million, two hundred eighty-five thousand, four hundred twenty".