22697223 has 4 divisors (see below), whose sum is σ = 30262968. Its totient is φ = 15131480.

The previous prime is 22697221. The next prime is 22697237. The reversal of 22697223 is 32279622.

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

It is a cyclic number.

It is not a de Polignac number, because 22697223 - 2¹ = 22697221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22697221) 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, 3782868 + ... + 3782873.

It is an arithmetic number, because the mean of its divisors is an integer number (7565742).

Almost surely, 2^22697223 is an apocalyptic number.

22697223 is a deficient number, since it is larger than the sum of its proper divisors (7565745).

22697223 is an equidigital number, since it uses as much as digits as its factorization.

22697223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565744.

The product of its digits is 18144, while the sum is 33.

The square root of 22697223 is about 4764.1602617880. The cubic root of 22697223 is about 283.1332722269.

The spelling of 22697223 in words is "twenty-two million, six hundred ninety-seven thousand, two hundred twenty-three".