2244473261 has 2 divisors, whose sum is σ = 2244473262. Its totient is φ = 2244473260.

The previous prime is 2244473201. The next prime is 2244473293. The reversal of 2244473261 is 1623744422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1217591236 + 1026882025 = 34894^2 + 32045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2244473261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2244473201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122236630 + 1122236631.

It is an arithmetic number, because the mean of its divisors is an integer number (1122236631).

Almost surely, 2^2244473261 is an apocalyptic number.

It is an amenable number.

2244473261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244473261 is an equidigital number, since it uses as much as digits as its factorization.

2244473261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The square root of 2244473261 is about 47375.8721397295. The cubic root of 2244473261 is about 1309.2969171665.

The spelling of 2244473261 in words is "two billion, two hundred forty-four million, four hundred seventy-three thousand, two hundred sixty-one".