2244471557 has 2 divisors, whose sum is σ = 2244471558. Its totient is φ = 2244471556.

The previous prime is 2244471553. The next prime is 2244471587. The reversal of 2244471557 is 7551744422.

2244471557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1148464321 + 1096007236 = 33889^2 + 33106^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244471557 - 2² = 2244471553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2244471553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122235778 + 1122235779.

It is an arithmetic number, because the mean of its divisors is an integer number (1122235779).

Almost surely, 2^2244471557 is an apocalyptic number.

It is an amenable number.

2244471557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244471557 is an equidigital number, since it uses as much as digits as its factorization.

2244471557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 313600, while the sum is 41.

The square root of 2244471557 is about 47375.8541558883. The cubic root of 2244471557 is about 1309.2965858278.

The spelling of 2244471557 in words is "two billion, two hundred forty-four million, four hundred seventy-one thousand, five hundred fifty-seven".