22248538 has 8 divisors (see below), whose sum is σ = 35939988. Its totient is φ = 10268544.

The previous prime is 22248511. The next prime is 22248557. The reversal of 22248538 is 83584222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17698849 + 4549689 = 4207^2 + 2133^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427831 + ... + 427882.

Almost surely, 2^22248538 is an apocalyptic number.

22248538 is a deficient number, since it is larger than the sum of its proper divisors (13691450).

22248538 is a wasteful number, since it uses less digits than its factorization.

22248538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855728.

The product of its digits is 30720, while the sum is 34.

The square root of 22248538 is about 4716.8355917924. The cubic root of 22248538 is about 281.2551559219.

The spelling of 22248538 in words is "twenty-two million, two hundred forty-eight thousand, five hundred thirty-eight".