22928426 has 4 divisors (see below), whose sum is σ = 34392642. Its totient is φ = 11464212.

The previous prime is 22928413. The next prime is 22928429. The reversal of 22928426 is 62482922.

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., 20693401 + 2235025 = 4549^2 + 1495^2 .

It is not an unprimeable number, because it can be changed into a prime (22928429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5732105 + ... + 5732108.

Almost surely, 2^22928426 is an apocalyptic number.

22928426 is a deficient number, since it is larger than the sum of its proper divisors (11464216).

22928426 is a wasteful number, since it uses less digits than its factorization.

22928426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11464215.

The product of its digits is 27648, while the sum is 35.

The square root of 22928426 is about 4788.3636035706. The cubic root of 22928426 is about 284.0913958966.

The spelling of 22928426 in words is "twenty-two million, nine hundred twenty-eight thousand, four hundred twenty-six".