22718976 has 80 divisors (see below), whose sum is σ = 69203904. Its totient is φ = 6488064.

The previous prime is 22718959. The next prime is 22719013. The reversal of 22718976 is 67981722.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 4.

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, 9696 + ... + 11808.

Almost surely, 2^22718976 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 22718976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34601952).

22718976 is an abundant number, since it is smaller than the sum of its proper divisors (46484928).

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

22718976 is an equidigital number, since it uses as much as digits as its factorization.

22718976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141 (or 2125 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 22718976 is about 4766.4426987010. The cubic root of 22718976 is about 283.2236949117.

The spelling of 22718976 in words is "twenty-two million, seven hundred eighteen thousand, nine hundred seventy-six".