22007248 has 20 divisors (see below), whose sum is σ = 45147780. Its totient is φ = 10356224.

The previous prime is 22007221. The next prime is 22007257. The reversal of 22007248 is 84270022.

It can be written as a sum of positive squares in 2 ways, for example, as 12446784 + 9560464 = 3528^2 + 3092^2 .

It is a congruent number.

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, 40183 + ... + 40726.

It is an arithmetic number, because the mean of its divisors is an integer number (2257389).

Almost surely, 2^22007248 is an apocalyptic number.

It is an amenable number.

22007248 is an abundant number, since it is smaller than the sum of its proper divisors (23140532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22007248 is a wasteful number, since it uses less digits than its factorization.

22007248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80934 (or 80928 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 22007248 is about 4691.1883355926. The cubic root of 22007248 is about 280.2347011734.

The spelling of 22007248 in words is "twenty-two million, seven thousand, two hundred forty-eight".