2242501997 has 2 divisors, whose sum is σ = 2242501998. Its totient is φ = 2242501996.

The previous prime is 2242501981. The next prime is 2242502029. The reversal of 2242501997 is 7991052422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2241170281 + 1331716 = 47341^2 + 1154^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242501997 - 2⁴ = 2242501981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2242501907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121250998 + 1121250999.

It is an arithmetic number, because the mean of its divisors is an integer number (1121250999).

Almost surely, 2^2242501997 is an apocalyptic number.

It is an amenable number.

2242501997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242501997 is an equidigital number, since it uses as much as digits as its factorization.

2242501997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2242501997 is about 47355.0630556016. The cubic root of 2242501997 is about 1308.9134974585.

The spelling of 2242501997 in words is "two billion, two hundred forty-two million, five hundred one thousand, nine hundred ninety-seven".