623940622 has 8 divisors (see below), whose sum is σ = 936037872. Its totient is φ = 311928000.

The previous prime is 623940617. The next prime is 623940643. The reversal of 623940622 is 226049326.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2622 + ... + 35422.

It is an arithmetic number, because the mean of its divisors is an integer number (117004734).

Almost surely, 2^623940622 is an apocalyptic number.

623940622 is a deficient number, since it is larger than the sum of its proper divisors (312097250).

623940622 is a wasteful number, since it uses less digits than its factorization.

623940622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42314.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 623940622 is about 24978.8034541289. The cubic root of 623940622 is about 854.5046305730.

Adding to 623940622 its reverse (226049326), we get a palindrome (849989948).

The spelling of 623940622 in words is "six hundred twenty-three million, nine hundred forty thousand, six hundred twenty-two".