622431340 has 48 divisors (see below), whose sum is σ = 1354977792. Its totient is φ = 240014016.

The previous prime is 622431331. The next prime is 622431349. The reversal of 622431340 is 43134226.

It is an interprime number because it is at equal distance from previous prime (622431331) and next prime (622431349).

It is not an unprimeable number, because it can be changed into a prime (622431349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58039 + ... + 67921.

It is an arithmetic number, because the mean of its divisors is an integer number (28228704).

Almost surely, 2^622431340 is an apocalyptic number.

It is an amenable number.

622431340 is an abundant number, since it is smaller than the sum of its proper divisors (732546452).

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

622431340 is a wasteful number, since it uses less digits than its factorization.

622431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006 (or 10004 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 622431340 is about 24948.5739071395. The cubic root of 622431340 is about 853.8150725660.

Adding to 622431340 its reverse (43134226), we get a palindrome (665565566).

The spelling of 622431340 in words is "six hundred twenty-two million, four hundred thirty-one thousand, three hundred forty".