22801860 has 72 divisors (see below), whose sum is σ = 69765696. Its totient is φ = 6027840.

The previous prime is 22801853. The next prime is 22801871. The reversal of 22801860 is 6810822.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23097 + ... + 24063.

It is an arithmetic number, because the mean of its divisors is an integer number (968968).

Almost surely, 2^22801860 is an apocalyptic number.

22801860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22801860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34882848).

22801860 is an abundant number, since it is smaller than the sum of its proper divisors (46963836).

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

22801860 is a wasteful number, since it uses less digits than its factorization.

22801860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 22801860 is about 4775.1293176206. The cubic root of 22801860 is about 283.5676984356.

The spelling of 22801860 in words is "twenty-two million, eight hundred one thousand, eight hundred sixty".