22248488 has 8 divisors (see below), whose sum is σ = 41715930. Its totient is φ = 11124240.

The previous prime is 22248463. The next prime is 22248493. The reversal of 22248488 is 88484222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12376324 + 9872164 = 3518^2 + 3142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22248488² = 989990436572288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390523 + ... + 1390538.

Almost surely, 2^22248488 is an apocalyptic number.

It is an amenable number.

22248488 is a deficient number, since it is larger than the sum of its proper divisors (19467442).

22248488 is a wasteful number, since it uses less digits than its factorization.

22248488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781067 (or 2781063 counting only the distinct ones).

The product of its digits is 65536, while the sum is 38.

The square root of 22248488 is about 4716.8302916259. The cubic root of 22248488 is about 281.2549452299.

The spelling of 22248488 in words is "twenty-two million, two hundred forty-eight thousand, four hundred eighty-eight".