22913801 has 4 divisors (see below), whose sum is σ = 23116692. Its totient is φ = 22710912.

The previous prime is 22913789. The next prime is 22913809. The reversal of 22913801 is 10831922.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 18913801 = 2000^2 + 4349^2 .

It is a cyclic number.

It is not a de Polignac number, because 22913801 - 2¹⁰ = 22912777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22913809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101276 + ... + 101501.

It is an arithmetic number, because the mean of its divisors is an integer number (5779173).

Almost surely, 2^22913801 is an apocalyptic number.

It is an amenable number.

22913801 is a deficient number, since it is larger than the sum of its proper divisors (202891).

22913801 is a wasteful number, since it uses less digits than its factorization.

22913801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202890.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 22913801 is about 4786.8362203025. The cubic root of 22913801 is about 284.0309800563.

The spelling of 22913801 in words is "twenty-two million, nine hundred thirteen thousand, eight hundred one".