22002280 has 32 divisors (see below), whose sum is σ = 50349600. Its totient is φ = 8650816.

The previous prime is 22002269. The next prime is 22002289. The reversal of 22002280 is 8220022.

It is not an unprimeable number, because it can be changed into a prime (22002289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (1573425).

Almost surely, 2^22002280 is an apocalyptic number.

22002280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002280 is an abundant number, since it is smaller than the sum of its proper divisors (28347320).

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

22002280 is a wasteful number, since it uses less digits than its factorization.

22002280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393 (or 9389 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 22002280 is about 4690.6588023432. The cubic root of 22002280 is about 280.2136125034.

The spelling of 22002280 in words is "twenty-two million, two thousand, two hundred eighty".