622742502 has 16 divisors (see below), whose sum is σ = 1245837312. Its totient is φ = 207522120.

The previous prime is 622742459. The next prime is 622742513. The reversal of 622742502 is 205247226.

It is a self number, because there is not a number n which added to its sum of digits gives 622742502.

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, 12043 + ... + 37289.

It is an arithmetic number, because the mean of its divisors is an integer number (77864832).

Almost surely, 2^622742502 is an apocalyptic number.

622742502 is an abundant number, since it is smaller than the sum of its proper divisors (623094810).

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

622742502 is a wasteful number, since it uses less digits than its factorization.

622742502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29363.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 622742502 is about 24954.8091958244. The cubic root of 622742502 is about 853.9573268353.

Adding to 622742502 its reverse (205247226), we get a palindrome (827989728).

The spelling of 622742502 in words is "six hundred twenty-two million, seven hundred forty-two thousand, five hundred two".