22106580 has 24 divisors (see below), whose sum is σ = 61898592. Its totient is φ = 5895072.

The previous prime is 22106573. The next prime is 22106597. The reversal of 22106580 is 8560122.

It is a self number, because there is not a number n which added to its sum of digits gives 22106580.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184162 + ... + 184281.

It is an arithmetic number, because the mean of its divisors is an integer number (2579108).

Almost surely, 2^22106580 is an apocalyptic number.

22106580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22106580 is an abundant number, since it is smaller than the sum of its proper divisors (39792012).

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

22106580 is a wasteful number, since it uses less digits than its factorization.

22106580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368455 (or 368453 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 22106580 is about 4701.7634989438. The cubic root of 22106580 is about 280.6556912248.

The spelling of 22106580 in words is "twenty-two million, one hundred six thousand, five hundred eighty".