2279505213 has 32 divisors (see below), whose sum is σ = 3473078400. Its totient is φ = 1476569088.

The previous prime is 2279505199. The next prime is 2279505223. The reversal of 2279505213 is 3125059722.

It is not a de Polignac number, because 2279505213 - 2⁵ = 2279505181 is a prime.

It is a super-2 number, since 2×2279505213² = 10392288032188350738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279505223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1150858 + ... + 1152836.

It is an arithmetic number, because the mean of its divisors is an integer number (108533700).

Almost surely, 2^2279505213 is an apocalyptic number.

It is an amenable number.

2279505213 is a deficient number, since it is larger than the sum of its proper divisors (1193573187).

2279505213 is a wasteful number, since it uses less digits than its factorization.

2279505213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178 (or 3172 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 2279505213 is about 47744.1641774154. The cubic root of 2279505213 is about 1316.0736580831.

The spelling of 2279505213 in words is "two billion, two hundred seventy-nine million, five hundred five thousand, two hundred thirteen".