2241901997 has 2 divisors, whose sum is σ = 2241901998. Its totient is φ = 2241901996.

The previous prime is 2241901973. The next prime is 2241902027. The reversal of 2241901997 is 7991091422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1612343716 + 629558281 = 40154^2 + 25091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241901997 - 2⁶ = 2241901933 is a prime.

It is a super-3 number, since 3×2241901997³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2241901967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120950998 + 1120950999.

It is an arithmetic number, because the mean of its divisors is an integer number (1120950999).

Almost surely, 2^2241901997 is an apocalyptic number.

It is an amenable number.

2241901997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241901997 is an equidigital number, since it uses as much as digits as its factorization.

2241901997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 2241901997 is about 47348.7275119406. The cubic root of 2241901997 is about 1308.7967501599.

The spelling of 2241901997 in words is "two billion, two hundred forty-one million, nine hundred one thousand, nine hundred ninety-seven".