2822747138 has 4 divisors (see below), whose sum is σ = 4234120710. Its totient is φ = 1411373568.

The previous prime is 2822747113. The next prime is 2822747149. The reversal of 2822747138 is 8317472282.

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

It can be written as a sum of positive squares in only one way, i.e., 1850118169 + 972628969 = 43013^2 + 31187^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705686783 + ... + 705686786.

Almost surely, 2^2822747138 is an apocalyptic number.

2822747138 is a deficient number, since it is larger than the sum of its proper divisors (1411373572).

2822747138 is a wasteful number, since it uses less digits than its factorization.

2822747138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411373571.

The product of its digits is 301056, while the sum is 44.

The square root of 2822747138 is about 53129.5316937765. The cubic root of 2822747138 is about 1413.2662635170.

The spelling of 2822747138 in words is "two billion, eight hundred twenty-two million, seven hundred forty-seven thousand, one hundred thirty-eight".