22038480 has 200 divisors, whose sum is σ = 81021600. Its totient is φ = 5536512.

The previous prime is 22038479. The next prime is 22038487. The reversal of 22038480 is 8483022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22038487) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 123031 + ... + 123209.

It is an arithmetic number, because the mean of its divisors is an integer number (405108).

Almost surely, 2^22038480 is an apocalyptic number.

22038480 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 22038480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40510800).

22038480 is an abundant number, since it is smaller than the sum of its proper divisors (58983120).

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

22038480 is a wasteful number, since it uses less digits than its factorization.

22038480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22038480 is about 4694.5159494883. The cubic root of 22038480 is about 280.3672052939.

The spelling of 22038480 in words is "twenty-two million, thirty-eight thousand, four hundred eighty".