22502448 has 100 divisors (see below), whose sum is σ = 66167640. Its totient is φ = 7382016.

The previous prime is 22502443. The next prime is 22502461. The reversal of 22502448 is 84420522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22502443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 125623 + ... + 125801.

Almost surely, 2^22502448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22502448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33083820).

22502448 is an abundant number, since it is smaller than the sum of its proper divisors (43665192).

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

22502448 is a wasteful number, since it uses less digits than its factorization.

22502448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 22502448 is about 4743.6745250913. The cubic root of 22502448 is about 282.3210467650.

The spelling of 22502448 in words is "twenty-two million, five hundred two thousand, four hundred forty-eight".