22801878 has 64 divisors (see below), whose sum is σ = 57715200. Its totient is φ = 6605280.

The previous prime is 22801873. The next prime is 22801897. The reversal of 22801878 is 87810822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22801871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12828 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (901800).

Almost surely, 2^22801878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22801878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28857600).

22801878 is an abundant number, since it is smaller than the sum of its proper divisors (34913322).

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

22801878 is a wasteful number, since it uses less digits than its factorization.

22801878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 22801878 is about 4775.1312023860. The cubic root of 22801878 is about 283.5677730526.

The spelling of 22801878 in words is "twenty-two million, eight hundred one thousand, eight hundred seventy-eight".