2273213651 has 2 divisors, whose sum is σ = 2273213652. Its totient is φ = 2273213650.

The previous prime is 2273213647. The next prime is 2273213669. The reversal of 2273213651 is 1563123722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2273213651 - 2² = 2273213647 is a prime.

It is not a weakly prime, because it can be changed into another prime (2273213351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136606825 + 1136606826.

It is an arithmetic number, because the mean of its divisors is an integer number (1136606826).

Almost surely, 2^2273213651 is an apocalyptic number.

2273213651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273213651 is an equidigital number, since it uses as much as digits as its factorization.

2273213651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 2273213651 is about 47678.2303677475. The cubic root of 2273213651 is about 1314.8617300775.

The spelling of 2273213651 in words is "two billion, two hundred seventy-three million, two hundred thirteen thousand, six hundred fifty-one".