22294247 has 8 divisors (see below), whose sum is σ = 22623744. Its totient is φ = 21967128.

The previous prime is 22294241. The next prime is 22294267. The reversal of 22294247 is 74249222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22294247 - 2⁴ = 22294231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22294241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26678 + ... + 27500.

It is an arithmetic number, because the mean of its divisors is an integer number (2827968).

Almost surely, 2^22294247 is an apocalyptic number.

22294247 is a deficient number, since it is larger than the sum of its proper divisors (329497).

22294247 is a wasteful number, since it uses less digits than its factorization.

22294247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189.

The product of its digits is 16128, while the sum is 32.

The square root of 22294247 is about 4721.6784092100. The cubic root of 22294247 is about 281.4476344559.

The spelling of 22294247 in words is "twenty-two million, two hundred ninety-four thousand, two hundred forty-seven".