22201080 has 128 divisors (see below), whose sum is σ = 73785600. Its totient is φ = 5343360.

The previous prime is 22201057. The next prime is 22201087. The reversal of 22201080 is 8010222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159651 + ... + 159789.

It is an arithmetic number, because the mean of its divisors is an integer number (576450).

Almost surely, 2^22201080 is an apocalyptic number.

22201080 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 22201080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36892800).

22201080 is an abundant number, since it is smaller than the sum of its proper divisors (51584520).

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

22201080 is a wasteful number, since it uses less digits than its factorization.

22201080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 22201080 is about 4711.8022029792. The cubic root of 22201080 is about 281.0550332724.

It can be divided in two parts, 22 and 201080, that added together give a palindrome (201102).

The spelling of 22201080 in words is "twenty-two million, two hundred one thousand, eighty".