22048816 has 80 divisors (see below), whose sum is σ = 48434400. Its totient is φ = 9676800.

The previous prime is 22048799. The next prime is 22048823. The reversal of 22048816 is 61884022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361426 + ... + 361486.

It is an arithmetic number, because the mean of its divisors is an integer number (605430).

Almost surely, 2^22048816 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 22048816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24217200).

22048816 is an abundant number, since it is smaller than the sum of its proper divisors (26385584).

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

22048816 is a wasteful number, since it uses less digits than its factorization.

22048816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 22048816 is about 4695.6166794150. The cubic root of 22048816 is about 280.4110289834.

It can be divided in two parts, 2204 and 8816, that multiplied together give a square (19430464 = 4408²).

The spelling of 22048816 in words is "twenty-two million, forty-eight thousand, eight hundred sixteen".