2242731 has 8 divisors (see below), whose sum is σ = 3028480. Its totient is φ = 1476072.

The previous prime is 2242729. The next prime is 2242733. The reversal of 2242731 is 1372422.

It is an interprime number because it is at equal distance from previous prime (2242729) and next prime (2242733).

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

It is not a de Polignac number, because 2242731 - 2¹ = 2242729 is a prime.

It is a super-2 number, since 2×2242731² = 10059684676722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2242698 and 2242707.

It is not an unprimeable number, because it can be changed into a prime (2242733) 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, 4495 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (378560).

2^2242731 is an apocalyptic number.

2242731 is a deficient number, since it is larger than the sum of its proper divisors (785749).

2242731 is an equidigital number, since it uses as much as digits as its factorization.

2242731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545.

The product of its digits is 672, while the sum is 21.

The square root of 2242731 is about 1497.5750398561. The cubic root of 2242731 is about 130.8958051104.

The spelling of 2242731 in words is "two million, two hundred forty-two thousand, seven hundred thirty-one".