2242945287 has 24 divisors (see below), whose sum is σ = 3548458368. Its totient is φ = 1353930000.

The previous prime is 2242945277. The next prime is 2242945301. The reversal of 2242945287 is 7825492422.

It is not a de Polignac number, because 2242945287 - 2⁶ = 2242945223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242945277) 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, 20283 + ... + 69980.

It is an arithmetic number, because the mean of its divisors is an integer number (147852432).

Almost surely, 2^2242945287 is an apocalyptic number.

2242945287 is a deficient number, since it is larger than the sum of its proper divisors (1305513081).

2242945287 is a wasteful number, since it uses less digits than its factorization.

2242945287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90531 (or 90528 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2242945287 is about 47359.7433164497. The cubic root of 2242945287 is about 1308.9997389330. Note that the first 3 decimals are identical.

The spelling of 2242945287 in words is "two billion, two hundred forty-two million, nine hundred forty-five thousand, two hundred eighty-seven".