622930540 has 12 divisors (see below), whose sum is σ = 1308154176. Its totient is φ = 249172208.

The previous prime is 622930537. The next prime is 622930547. The reversal of 622930540 is 45039226.

It is not an unprimeable number, because it can be changed into a prime (622930547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15573244 + ... + 15573283.

It is an arithmetic number, because the mean of its divisors is an integer number (109012848).

Almost surely, 2^622930540 is an apocalyptic number.

It is an amenable number.

622930540 is an abundant number, since it is smaller than the sum of its proper divisors (685223636).

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

622930540 is a wasteful number, since it uses less digits than its factorization.

622930540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31146536 (or 31146534 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 622930540 is about 24958.5764818429. The cubic root of 622930540 is about 854.0432694028.

Adding to 622930540 its reverse (45039226), we get a palindrome (667969766).

The spelling of 622930540 in words is "six hundred twenty-two million, nine hundred thirty thousand, five hundred forty".