22694255 has 4 divisors (see below), whose sum is σ = 27233112. Its totient is φ = 18155400.

The previous prime is 22694249. The next prime is 22694281. The reversal of 22694255 is 55249622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55249622 = 2 ⋅27624811.

It is not a de Polignac number, because 22694255 - 2¹⁴ = 22677871 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2269421 + ... + 2269430.

It is an arithmetic number, because the mean of its divisors is an integer number (6808278).

Almost surely, 2^22694255 is an apocalyptic number.

22694255 is a deficient number, since it is larger than the sum of its proper divisors (4538857).

22694255 is an equidigital number, since it uses as much as digits as its factorization.

22694255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538856.

The product of its digits is 43200, while the sum is 35.

The square root of 22694255 is about 4763.8487591442. The cubic root of 22694255 is about 283.1209303913.

The spelling of 22694255 in words is "twenty-two million, six hundred ninety-four thousand, two hundred fifty-five".