2990022871 has 4 divisors (see below), whose sum is σ = 3261843144. Its totient is φ = 2718202600.

The previous prime is 2990022863. The next prime is 2990022899. The reversal of 2990022871 is 1782200992.

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

It is a cyclic number.

It is not a de Polignac number, because 2990022871 - 2³ = 2990022863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990022851) 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, 135910120 + ... + 135910141.

It is an arithmetic number, because the mean of its divisors is an integer number (815460786).

Almost surely, 2^2990022871 is an apocalyptic number.

2990022871 is a deficient number, since it is larger than the sum of its proper divisors (271820273).

2990022871 is a wasteful number, since it uses less digits than its factorization.

2990022871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271820272.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 2990022871 is about 54681.1015891231. The cubic root of 2990022871 is about 1440.6489601597.

The spelling of 2990022871 in words is "two billion, nine hundred ninety million, twenty-two thousand, eight hundred seventy-one".