2269731 has 8 divisors (see below), whose sum is σ = 3048640. Its totient is φ = 1501992.

The previous prime is 2269711. The next prime is 2269733. The reversal of 2269731 is 1379622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2269731 - 2⁵ = 2269699 is a prime.

It is a super-2 number, since 2×2269731² = 10303357624722, which contains 22 as substring.

It is a Duffinian number.

2269731 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2269733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2305 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (381080).

2^2269731 is an apocalyptic number.

2269731 is a deficient number, since it is larger than the sum of its proper divisors (778909).

2269731 is a wasteful number, since it uses less digits than its factorization.

2269731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585.

The product of its digits is 4536, while the sum is 30.

The square root of 2269731 is about 1506.5626439017. The cubic root of 2269731 is about 131.4189913915.

The spelling of 2269731 in words is "two million, two hundred sixty-nine thousand, seven hundred thirty-one".