2585222236 has 12 divisors (see below), whose sum is σ = 4527685120. Its totient is φ = 1291597920.

The previous prime is 2585222231. The next prime is 2585222239. The reversal of 2585222236 is 6322225852.

2585222236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2585222195 and 2585222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585222231) 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, 247545 + ... + 257776.

Almost surely, 2^2585222236 is an apocalyptic number.

It is an amenable number.

2585222236 is a deficient number, since it is larger than the sum of its proper divisors (1942462884).

2585222236 is a wasteful number, since it uses less digits than its factorization.

2585222236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506604 (or 506602 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 2585222236 is about 50845.0807453386. The cubic root of 2585222236 is about 1372.4587306589.

The spelling of 2585222236 in words is "two billion, five hundred eighty-five million, two hundred twenty-two thousand, two hundred thirty-six".