280222227 has 16 divisors (see below), whose sum is σ = 421952160. Its totient is φ = 183751200.

The previous prime is 280222223. The next prime is 280222337. The reversal of 280222227 is 722222082.

It is not a de Polignac number, because 280222227 - 2² = 280222223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 280222227.

It is not an unprimeable number, because it can be changed into a prime (280222223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83424 + ... + 86717.

It is an arithmetic number, because the mean of its divisors is an integer number (26372010).

Almost surely, 2^280222227 is an apocalyptic number.

280222227 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

280222227 is a deficient number, since it is larger than the sum of its proper divisors (141729933).

280222227 is a wasteful number, since it uses less digits than its factorization.

280222227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170211 (or 170205 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 280222227 is about 16739.8395153598. The cubic root of 280222227 is about 654.3862922822.

The spelling of 280222227 in words is "two hundred eighty million, two hundred twenty-two thousand, two hundred twenty-seven".