2265652278 has 12 divisors (see below), whose sum is σ = 4908913308. Its totient is φ = 755217420.

The previous prime is 2265652247. The next prime is 2265652313. The reversal of 2265652278 is 8722565622.

2265652278 is a `hidden beast` number, since 2 + 2 + 6 + 56 + 522 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62934768 + ... + 62934803.

It is an arithmetic number, because the mean of its divisors is an integer number (409076109).

Almost surely, 2^2265652278 is an apocalyptic number.

2265652278 is an abundant number, since it is smaller than the sum of its proper divisors (2643261030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2265652278 is a wasteful number, since it uses less digits than its factorization.

2265652278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125869579 (or 125869576 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 2265652278 is about 47598.8684529370. The cubic root of 2265652278 is about 1313.4022391777.

The spelling of 2265652278 in words is "two billion, two hundred sixty-five million, six hundred fifty-two thousand, two hundred seventy-eight".