2243029257 has 24 divisors (see below), whose sum is σ = 3712587840. Its totient is φ = 1278335520.

The previous prime is 2243029247. The next prime is 2243029277. The reversal of 2243029257 is 7529203422.

It is not a de Polignac number, because 2243029257 - 2⁸ = 2243029001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243029237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23094 + ... + 70847.

It is an arithmetic number, because the mean of its divisors is an integer number (154691160).

Almost surely, 2^2243029257 is an apocalyptic number.

It is an amenable number.

2243029257 is a deficient number, since it is larger than the sum of its proper divisors (1469558583).

2243029257 is a wasteful number, since it uses less digits than its factorization.

2243029257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94333 (or 94330 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2243029257 is about 47360.6298205588. The cubic root of 2243029257 is about 1309.0160739036.

The spelling of 2243029257 in words is "two billion, two hundred forty-three million, twenty-nine thousand, two hundred fifty-seven".