22248742 has 16 divisors (see below), whose sum is σ = 34745760. Its totient is φ = 10671808.

The previous prime is 22248739. The next prime is 22248761. The reversal of 22248742 is 24784222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8538 + ... + 10834.

It is an arithmetic number, because the mean of its divisors is an integer number (2171610).

Almost surely, 2^22248742 is an apocalyptic number.

22248742 is a deficient number, since it is larger than the sum of its proper divisors (12497018).

22248742 is a wasteful number, since it uses less digits than its factorization.

22248742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its digits is 14336, while the sum is 31.

The square root of 22248742 is about 4716.8572164101. The cubic root of 22248742 is about 281.2560155421.

The spelling of 22248742 in words is "twenty-two million, two hundred forty-eight thousand, seven hundred forty-two".