22794251 has 4 divisors (see below), whose sum is σ = 22804152. Its totient is φ = 22784352.

The previous prime is 22794241. The next prime is 22794283. The reversal of 22794251 is 15249722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15249722 = 2 ⋅7624861.

It is a cyclic number.

It is not a de Polignac number, because 22794251 - 2¹⁰ = 22793227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22794221) 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, 515 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (5701038).

Almost surely, 2^22794251 is an apocalyptic number.

22794251 is a deficient number, since it is larger than the sum of its proper divisors (9901).

22794251 is an equidigital number, since it uses as much as digits as its factorization.

22794251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900.

The product of its digits is 10080, while the sum is 32.

The square root of 22794251 is about 4774.3325187925. The cubic root of 22794251 is about 283.5361526660.

The spelling of 22794251 in words is "twenty-two million, seven hundred ninety-four thousand, two hundred fifty-one".