622420022 has 32 divisors (see below), whose sum is σ = 1093865472. Its totient is φ = 260099424.

The previous prime is 622420021. The next prime is 622420033. The reversal of 622420022 is 220024226.

It is a junction number, because it is equal to n+sod(n) for n = 622419976 and 622420003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622420021) 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, 121403 + ... + 126425.

It is an arithmetic number, because the mean of its divisors is an integer number (34183296).

Almost surely, 2^622420022 is an apocalyptic number.

622420022 is a deficient number, since it is larger than the sum of its proper divisors (471445450).

622420022 is a wasteful number, since it uses less digits than its factorization.

622420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 622420022 is about 24948.3470795161. The cubic root of 622420022 is about 853.8098974102.

Adding to 622420022 its reverse (220024226), we get a palindrome (842444248).

The spelling of 622420022 in words is "six hundred twenty-two million, four hundred twenty thousand, twenty-two".