2273402731 has 8 divisors (see below), whose sum is σ = 2373237504. Its totient is φ = 2173650600.

The previous prime is 2273402693. The next prime is 2273402753. The reversal of 2273402731 is 1372043722.

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

It is a cyclic number.

It is not a de Polignac number, because 2273402731 - 2⁷ = 2273402603 is a prime.

It is a super-2 number, since 2×2273402731² = 10336719954636516722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2273402693 and 2273402702.

It is not an unprimeable number, because it can be changed into a prime (2273402531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39300 + ... + 78046.

It is an arithmetic number, because the mean of its divisors is an integer number (296654688).

Almost surely, 2^2273402731 is an apocalyptic number.

2273402731 is a deficient number, since it is larger than the sum of its proper divisors (99834773).

2273402731 is a wasteful number, since it uses less digits than its factorization.

2273402731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41321.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 2273402731 is about 47680.2132021240. The cubic root of 2273402731 is about 1314.8981846599.

The spelling of 2273402731 in words is "two billion, two hundred seventy-three million, four hundred two thousand, seven hundred thirty-one".