2273220279 has 12 divisors (see below), whose sum is σ = 3582044232. Its totient is φ = 1377709200.

The previous prime is 2273220259. The next prime is 2273220311. The reversal of 2273220279 is 9720223722.

It is a happy number.

It is not a de Polignac number, because 2273220279 - 2⁵ = 2273220247 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273220239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11480812 + ... + 11481009.

It is an arithmetic number, because the mean of its divisors is an integer number (298503686).

Almost surely, 2^2273220279 is an apocalyptic number.

2273220279 is a deficient number, since it is larger than the sum of its proper divisors (1308823953).

2273220279 is a wasteful number, since it uses less digits than its factorization.

2273220279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22961838 (or 22961835 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 2273220279 is about 47678.2998753102. The cubic root of 2273220279 is about 1314.8630079886.

The spelling of 2273220279 in words is "two billion, two hundred seventy-three million, two hundred twenty thousand, two hundred seventy-nine".