623215322 has 8 divisors (see below), whose sum is σ = 934930272. Its totient is φ = 311571900.

The previous prime is 623215321. The next prime is 623215387. The reversal of 623215322 is 223512326.

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

It is a junction number, because it is equal to n+sod(n) for n = 623215291 and 623215300.

It is not an unprimeable number, because it can be changed into a prime (623215321) 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 3 ways as a sum of consecutive naturals, for example, 19697 + ... + 40427.

It is an arithmetic number, because the mean of its divisors is an integer number (116866284).

Almost surely, 2^623215322 is an apocalyptic number.

623215322 is a deficient number, since it is larger than the sum of its proper divisors (311714950).

623215322 is a wasteful number, since it uses less digits than its factorization.

623215322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35764.

The product of its digits is 4320, while the sum is 26.

The square root of 623215322 is about 24964.2809229507. The cubic root of 623215322 is about 854.1733957870.

Adding to 623215322 its reverse (223512326), we get a palindrome (846727648).

The spelling of 623215322 in words is "six hundred twenty-three million, two hundred fifteen thousand, three hundred twenty-two".