22448450 has 12 divisors (see below), whose sum is σ = 41754210. Its totient is φ = 8979360.

The previous prime is 22448431. The next prime is 22448453. The reversal of 22448450 is 5484422.

It can be written as a sum of positive squares in 3 ways, for example, as 15578809 + 6869641 = 3947^2 + 2621^2 .

It is not an unprimeable number, because it can be changed into a prime (22448453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224435 + ... + 224534.

Almost surely, 2^22448450 is an apocalyptic number.

22448450 is a deficient number, since it is larger than the sum of its proper divisors (19305760).

22448450 is a wasteful number, since it uses less digits than its factorization.

22448450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448981 (or 448976 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 22448450 is about 4737.9795271824. The cubic root of 22448450 is about 282.0950419883.

The spelling of 22448450 in words is "twenty-two million, four hundred forty-eight thousand, four hundred fifty".