23220322 has 4 divisors (see below), whose sum is σ = 34830486. Its totient is φ = 11610160.

The previous prime is 23220319. The next prime is 23220347. The reversal of 23220322 is 22302232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14523721 + 8696601 = 3811^2 + 2949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23220296 and 23220305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805079 + ... + 5805082.

Almost surely, 2^23220322 is an apocalyptic number.

23220322 is a deficient number, since it is larger than the sum of its proper divisors (11610164).

23220322 is a wasteful number, since it uses less digits than its factorization.

23220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610163.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 23220322 is about 4818.7469325541. The cubic root of 23220322 is about 285.2918811276.

Adding to 23220322 its reverse (22302232), we get a palindrome (45522554).

The spelling of 23220322 in words is "twenty-three million, two hundred twenty thousand, three hundred twenty-two".