22031048 has 48 divisors (see below), whose sum is σ = 47320980. Its totient is φ = 9556992.

The previous prime is 22031027. The next prime is 22031057. The reversal of 22031048 is 84013022.

It can be written as a sum of positive squares in 6 ways, for example, as 19201924 + 2829124 = 4382^2 + 1682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29690 + ... + 30422.

Almost surely, 2^22031048 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 22031048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23660490).

22031048 is an abundant number, since it is smaller than the sum of its proper divisors (25289932).

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

22031048 is a wasteful number, since it uses less digits than its factorization.

22031048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22031048 is about 4693.7243208352. The cubic root of 22031048 is about 280.3356858282.

The spelling of 22031048 in words is "twenty-two million, thirty-one thousand, forty-eight".