2108742722 has 4 divisors (see below), whose sum is σ = 3163114086. Its totient is φ = 1054371360.

The previous prime is 2108742707. The next prime is 2108742767. The reversal of 2108742722 is 2272478012.

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., 1612745281 + 495997441 = 40159^2 + 22271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527185679 + ... + 527185682.

Almost surely, 2^2108742722 is an apocalyptic number.

2108742722 is a deficient number, since it is larger than the sum of its proper divisors (1054371364).

2108742722 is a wasteful number, since it uses less digits than its factorization.

2108742722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054371363.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 2108742722 is about 45921.0487902879. The cubic root of 2108742722 is about 1282.3538073300.

The spelling of 2108742722 in words is "two billion, one hundred eight million, seven hundred forty-two thousand, seven hundred twenty-two".