2289622687 has 4 divisors (see below), whose sum is σ = 2497770216. Its totient is φ = 2081475160.

The previous prime is 2289622681. The next prime is 2289622693. The reversal of 2289622687 is 7862269822.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2289622681) and next prime (2289622693).

It is a cyclic number.

It is not a de Polignac number, because 2289622687 - 2¹⁵ = 2289589919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289622681) 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, 104073748 + ... + 104073769.

It is an arithmetic number, because the mean of its divisors is an integer number (624442554).

Almost surely, 2^2289622687 is an apocalyptic number.

2289622687 is a deficient number, since it is larger than the sum of its proper divisors (208147529).

2289622687 is a wasteful number, since it uses less digits than its factorization.

2289622687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208147528.

The product of its digits is 2322432, while the sum is 52.

The square root of 2289622687 is about 47850.0019540229. The cubic root of 2289622687 is about 1318.0178942770.

The spelling of 2289622687 in words is "two billion, two hundred eighty-nine million, six hundred twenty-two thousand, six hundred eighty-seven".