2201407997 has 2 divisors, whose sum is σ = 2201407998. Its totient is φ = 2201407996.

The previous prime is 2201407933. The next prime is 2201408003. The reversal of 2201407997 is 7997041022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1894947961 + 306460036 = 43531^2 + 17506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201407997 - 2⁶ = 2201407933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201407097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100703998 + 1100703999.

It is an arithmetic number, because the mean of its divisors is an integer number (1100703999).

Almost surely, 2^2201407997 is an apocalyptic number.

It is an amenable number.

2201407997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201407997 is an equidigital number, since it uses as much as digits as its factorization.

2201407997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 2201407997 is about 46919.1644959712. The cubic root of 2201407997 is about 1300.8688465988.

The spelling of 2201407997 in words is "two billion, two hundred one million, four hundred seven thousand, nine hundred ninety-seven".