22302248 has 8 divisors (see below), whose sum is σ = 41816730. Its totient is φ = 11151120.

The previous prime is 22302239. The next prime is 22302263. The reversal of 22302248 is 84220322.

It can be written as a sum of positive squares in only one way, i.e., 21696964 + 605284 = 4658^2 + 778^2 .

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

It is a super-3 number, since 3×22302248³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1393883 + ... + 1393898.

Almost surely, 2^22302248 is an apocalyptic number.

It is an amenable number.

22302248 is a deficient number, since it is larger than the sum of its proper divisors (19514482).

22302248 is a wasteful number, since it uses less digits than its factorization.

22302248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787787 (or 2787783 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22302248 is about 4722.5255954838. The cubic root of 22302248 is about 281.4812992424.

The spelling of 22302248 in words is "twenty-two million, three hundred two thousand, two hundred forty-eight".