2289772442 has 8 divisors (see below), whose sum is σ = 3434926836. Its totient is φ = 1144796832.

The previous prime is 2289772427. The next prime is 2289772447. The reversal of 2289772442 is 2442779822.

It is a happy number.

2289772442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2220200161 + 69572281 = 47119^2 + 8341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2289772442² = 10486115672285286728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2289772447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5963 + ... + 67934.

Almost surely, 2^2289772442 is an apocalyptic number.

2289772442 is a deficient number, since it is larger than the sum of its proper divisors (1145154394).

2289772442 is a wasteful number, since it uses less digits than its factorization.

2289772442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89392.

The product of its digits is 903168, while the sum is 47.

The square root of 2289772442 is about 47851.5667664080. The cubic root of 2289772442 is about 1318.0466290648.

The spelling of 2289772442 in words is "two billion, two hundred eighty-nine million, seven hundred seventy-two thousand, four hundred forty-two".