244422132899261 has 2 divisors, whose sum is σ = 244422132899262. Its totient is φ = 244422132899260.

The previous prime is 244422132899257. The next prime is 244422132899281. The reversal of 244422132899261 is 162998231224442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244378370351236 + 43762548025 = 15632606^2 + 209195^2 .

It is a cyclic number.

It is not a de Polignac number, because 244422132899261 - 2² = 244422132899257 is a prime.

It is a super-2 number, since 2×244422132899261² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 244422132899261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244422132899281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122211066449630 + 122211066449631.

It is an arithmetic number, because the mean of its divisors is an integer number (122211066449631).

Almost surely, 2^{244422132899261} is an apocalyptic number.

It is an amenable number.

244422132899261 is a deficient number, since it is larger than the sum of its proper divisors (1).

244422132899261 is an equidigital number, since it uses as much as digits as its factorization.

244422132899261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23887872, while the sum is 59.

The spelling of 244422132899261 in words is "two hundred forty-four trillion, four hundred twenty-two billion, one hundred thirty-two million, eight hundred ninety-nine thousand, two hundred sixty-one".