2245115731 has 8 divisors (see below), whose sum is σ = 2306712240. Its totient is φ = 2184304128.

The previous prime is 2245115729. The next prime is 2245115777. The reversal of 2245115731 is 1375115422.

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 2245115731 - 2¹ = 2245115729 is a prime.

It is a super-2 number, since 2×2245115731² = 10081089291167328722, 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 = 2245115693 and 2245115702.

It is not an unprimeable number, because it can be changed into a prime (2245145731) 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, 190426 + ... + 201871.

It is an arithmetic number, because the mean of its divisors is an integer number (288339030).

Almost surely, 2^2245115731 is an apocalyptic number.

2245115731 is a deficient number, since it is larger than the sum of its proper divisors (61596509).

2245115731 is an equidigital number, since it uses as much as digits as its factorization.

2245115731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392453.

The product of its digits is 8400, while the sum is 31.

The square root of 2245115731 is about 47382.6522157635. The cubic root of 2245115731 is about 1309.4218319600.

The spelling of 2245115731 in words is "two billion, two hundred forty-five million, one hundred fifteen thousand, seven hundred thirty-one".