22038860 has 48 divisors (see below), whose sum is σ = 49593600. Its totient is φ = 8201664.

The previous prime is 22038859. The next prime is 22038871. The reversal of 22038860 is 6883022.

It is a super-3 number, since 3×22038860³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 21929 + ... + 22911.

It is an arithmetic number, because the mean of its divisors is an integer number (1033200).

Almost surely, 2^22038860 is an apocalyptic number.

22038860 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 22038860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24796800).

22038860 is an abundant number, since it is smaller than the sum of its proper divisors (27554740).

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

22038860 is a wasteful number, since it uses less digits than its factorization.

22038860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22038860 is about 4694.5564220701. The cubic root of 22038860 is about 280.3688167015.

The spelling of 22038860 in words is "twenty-two million, thirty-eight thousand, eight hundred sixty".