2225116997 has 2 divisors, whose sum is σ = 2225116998. Its totient is φ = 2225116996.

The previous prime is 2225116981. The next prime is 2225117077. The reversal of 2225116997 is 7996115222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2098464481 + 126652516 = 45809^2 + 11254^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225116997 - 2⁴ = 2225116981 is a prime.

It is a super-2 number, since 2×2225116997² = 9902291300676596018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225116937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112558498 + 1112558499.

It is an arithmetic number, because the mean of its divisors is an integer number (1112558499).

Almost surely, 2^2225116997 is an apocalyptic number.

It is an amenable number.

2225116997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225116997 is an equidigital number, since it uses as much as digits as its factorization.

2225116997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 2225116997 is about 47171.1458097002. The cubic root of 2225116997 is about 1305.5222675316.

The spelling of 2225116997 in words is "two billion, two hundred twenty-five million, one hundred sixteen thousand, nine hundred ninety-seven".