2249389231 has 4 divisors (see below), whose sum is σ = 2249484264. Its totient is φ = 2249294200.

The previous prime is 2249389217. The next prime is 2249389243. The reversal of 2249389231 is 1329839422.

2249389231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2249389231 - 2⁹ = 2249388719 is a prime.

It is a super-2 number, since 2×2249389231² = 10119503825077542722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249389201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19416 + ... + 69826.

It is an arithmetic number, because the mean of its divisors is an integer number (562371066).

Almost surely, 2^2249389231 is an apocalyptic number.

2249389231 is a deficient number, since it is larger than the sum of its proper divisors (95033).

2249389231 is an equidigital number, since it uses as much as digits as its factorization.

2249389231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95032.

The product of its digits is 186624, while the sum is 43.

The square root of 2249389231 is about 47427.7263950108. The cubic root of 2249389231 is about 1310.2521184039.

The spelling of 2249389231 in words is "two billion, two hundred forty-nine million, three hundred eighty-nine thousand, two hundred thirty-one".