22678233 has 4 divisors (see below), whose sum is σ = 30237648. Its totient is φ = 15118820.

The previous prime is 22678219. The next prime is 22678241. The reversal of 22678233 is 33287622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22678233 - 2⁴ = 22678217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22678194 and 22678203.

It is not an unprimeable number, because it can be changed into a prime (22678273) 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, 3779703 + ... + 3779708.

It is an arithmetic number, because the mean of its divisors is an integer number (7559412).

Almost surely, 2^22678233 is an apocalyptic number.

It is an amenable number.

22678233 is a deficient number, since it is larger than the sum of its proper divisors (7559415).

22678233 is an equidigital number, since it uses as much as digits as its factorization.

22678233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559414.

The product of its digits is 24192, while the sum is 33.

The square root of 22678233 is about 4762.1668387405. The cubic root of 22678233 is about 283.0542875123.

The spelling of 22678233 in words is "twenty-two million, six hundred seventy-eight thousand, two hundred thirty-three".