22047248 has 40 divisors (see below), whose sum is σ = 44955456. Its totient is φ = 10454400.

The previous prime is 22047229. The next prime is 22047257. The reversal of 22047248 is 84274022.

It is a super-2 number, since 2×22047248² = 972162288747008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22047248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66443 + ... + 66773.

Almost surely, 2^22047248 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 22047248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22477728).

22047248 is an abundant number, since it is smaller than the sum of its proper divisors (22908208).

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

22047248 is a wasteful number, since it uses less digits than its factorization.

22047248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 22047248 is about 4695.4497122214. The cubic root of 22047248 is about 280.4043816890.

The spelling of 22047248 in words is "twenty-two million, forty-seven thousand, two hundred forty-eight".