27822562245 has 48 divisors (see below), whose sum is σ = 48867053040. Its totient is φ = 14642546688.

The previous prime is 27822562231. The next prime is 27822562259. The reversal of 27822562245 is 54226522872.

27822562245 is a `hidden beast` number, since 2 + 7 + 82 + 2 + 562 + 2 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (27822562231) and next prime (27822562259).

It can be written as a sum of positive squares in 8 ways, for example, as 353477601 + 27469084644 = 18801^2 + 165738^2 .

It is not a de Polignac number, because 27822562245 - 2⁶ = 27822562181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 27822562245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1152519 + ... + 1176411.

It is an arithmetic number, because the mean of its divisors is an integer number (1018063605).

Almost surely, 2^27822562245 is an apocalyptic number.

It is an amenable number.

27822562245 is a deficient number, since it is larger than the sum of its proper divisors (21044490795).

27822562245 is a wasteful number, since it uses less digits than its factorization.

27822562245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24246 (or 24243 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The spelling of 27822562245 in words is "twenty-seven billion, eight hundred twenty-two million, five hundred sixty-two thousand, two hundred forty-five".