2221130497 has 2 divisors, whose sum is σ = 2221130498. Its totient is φ = 2221130496.

The previous prime is 2221130489. The next prime is 2221130531. The reversal of 2221130497 is 7940311222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2179862721 + 41267776 = 46689^2 + 6424^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221130497 - 2³ = 2221130489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221130407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110565248 + 1110565249.

It is an arithmetic number, because the mean of its divisors is an integer number (1110565249).

Almost surely, 2^2221130497 is an apocalyptic number.

It is an amenable number.

2221130497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221130497 is an equidigital number, since it uses as much as digits as its factorization.

2221130497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2221130497 is about 47128.8711619534. The cubic root of 2221130497 is about 1304.7421473979.

The spelling of 2221130497 in words is "two billion, two hundred twenty-one million, one hundred thirty thousand, four hundred ninety-seven".