22001080 has 16 divisors (see below), whose sum is σ = 49502520. Its totient is φ = 8800416.

The previous prime is 22001071. The next prime is 22001101. The reversal of 22001080 is 8010022.

It is a self number, because there is not a number n which added to its sum of digits gives 22001080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274974 + ... + 275053.

Almost surely, 2^22001080 is an apocalyptic number.

22001080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001080 is an abundant number, since it is smaller than the sum of its proper divisors (27501440).

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

22001080 is a wasteful number, since it uses less digits than its factorization.

22001080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550038 (or 550034 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 22001080 is about 4690.5308867974. The cubic root of 22001080 is about 280.2085181458.

The spelling of 22001080 in words is "twenty-two million, one thousand, eighty".