22447426 has 4 divisors (see below), whose sum is σ = 33671142. Its totient is φ = 11223712.

The previous prime is 22447393. The next prime is 22447457. The reversal of 22447426 is 62474422.

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

It can be written as a sum of positive squares in only one way, i.e., 22325625 + 121801 = 4725^2 + 349^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611855 + ... + 5611858.

Almost surely, 2^22447426 is an apocalyptic number.

22447426 is a deficient number, since it is larger than the sum of its proper divisors (11223716).

22447426 is a wasteful number, since it uses less digits than its factorization.

22447426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223715.

The product of its digits is 21504, while the sum is 31.

The square root of 22447426 is about 4737.8714630095. The cubic root of 22447426 is about 282.0907526096.

The spelling of 22447426 in words is "twenty-two million, four hundred forty-seven thousand, four hundred twenty-six".