22920953 has 8 divisors (see below), whose sum is σ = 25050816. Its totient is φ = 20798800.

The previous prime is 22920907. The next prime is 22920979. The reversal of 22920953 is 35902922.

It is a happy number.

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

It is not a de Polignac number, because 22920953 - 2¹⁰ = 22919929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22920983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5588 + ... + 8778.

It is an arithmetic number, because the mean of its divisors is an integer number (3131352).

Almost surely, 2^22920953 is an apocalyptic number.

It is an amenable number.

22920953 is a deficient number, since it is larger than the sum of its proper divisors (2129863).

22920953 is a wasteful number, since it uses less digits than its factorization.

22920953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 22920953 is about 4787.5832107651. The cubic root of 22920953 is about 284.0605281622.

The spelling of 22920953 in words is "twenty-two million, nine hundred twenty thousand, nine hundred fifty-three".