2213647231 has 12 divisors (see below), whose sum is σ = 2475291880. Its totient is φ = 1973773440.

The previous prime is 2213647223. The next prime is 2213647253. The reversal of 2213647231 is 1327463122.

It is a happy number.

It is not a de Polignac number, because 2213647231 - 2³ = 2213647223 is a prime.

It is a super-2 number, since 2×2213647231² = 9800468126627934722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2213647193 and 2213647202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213647201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196080 + ... + 207061.

Almost surely, 2^2213647231 is an apocalyptic number.

2213647231 is a deficient number, since it is larger than the sum of its proper divisors (261644649).

2213647231 is a wasteful number, since it uses less digits than its factorization.

2213647231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403194 (or 403177 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 2213647231 is about 47049.4126530821. The cubic root of 2213647231 is about 1303.2752190009.

The spelling of 2213647231 in words is "two billion, two hundred thirteen million, six hundred forty-seven thousand, two hundred thirty-one".