22066260 has 24 divisors (see below), whose sum is σ = 61785696. Its totient is φ = 5884320.

The previous prime is 22066259. The next prime is 22066321. The reversal of 22066260 is 6266022.

It is a self number, because there is not a number n which added to its sum of digits gives 22066260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183826 + ... + 183945.

It is an arithmetic number, because the mean of its divisors is an integer number (2574404).

Almost surely, 2^22066260 is an apocalyptic number.

22066260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22066260 is an abundant number, since it is smaller than the sum of its proper divisors (39719436).

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

22066260 is a wasteful number, since it uses less digits than its factorization.

22066260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367783 (or 367781 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22066260 is about 4697.4737891765. The cubic root of 22066260 is about 280.4849588879.

The spelling of 22066260 in words is "twenty-two million, sixty-six thousand, two hundred sixty".