23213322 has 24 divisors (see below), whose sum is σ = 54868320. Its totient is φ = 7034280.

The previous prime is 23213317. The next prime is 23213341. The reversal of 23213322 is 22331232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23213295 and 23213304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58422 + ... + 58817.

It is an arithmetic number, because the mean of its divisors is an integer number (2286180).

Almost surely, 2^23213322 is an apocalyptic number.

23213322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23213322 is an abundant number, since it is smaller than the sum of its proper divisors (31654998).

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

23213322 is a wasteful number, since it uses less digits than its factorization.

23213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117258 (or 117255 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 23213322 is about 4818.0205479014. The cubic root of 23213322 is about 285.2632102091.

Adding to 23213322 its reverse (22331232), we get a palindrome (45544554).

The spelling of 23213322 in words is "twenty-three million, two hundred thirteen thousand, three hundred twenty-two".