23220922 has 8 divisors (see below), whose sum is σ = 35955072. Its totient is φ = 11235900.

The previous prime is 23220919. The next prime is 23220937. The reversal of 23220922 is 22902232.

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

It is a super-2 number, since 2×23220922² = 1078422437060168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23220893 and 23220902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187204 + ... + 187327.

It is an arithmetic number, because the mean of its divisors is an integer number (4494384).

Almost surely, 2^23220922 is an apocalyptic number.

23220922 is a deficient number, since it is larger than the sum of its proper divisors (12734150).

23220922 is a wasteful number, since it uses less digits than its factorization.

23220922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374564.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23220922 is about 4818.8091890010. The cubic root of 23220922 is about 285.2943383667.

It can be divided in two parts, 23220 and 922, that added together give a palindrome (24142).

The spelling of 23220922 in words is "twenty-three million, two hundred twenty thousand, nine hundred twenty-two".