2851422154 has 16 divisors (see below), whose sum is σ = 4980382848. Its totient is φ = 1198980432.

The previous prime is 2851422103. The next prime is 2851422173. The reversal of 2851422154 is 4512241582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920702 + ... + 1922185.

It is an arithmetic number, because the mean of its divisors is an integer number (311273928).

Almost surely, 2^2851422154 is an apocalyptic number.

2851422154 is a deficient number, since it is larger than the sum of its proper divisors (2128960694).

2851422154 is a wasteful number, since it uses less digits than its factorization.

2851422154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842949.

The product of its digits is 25600, while the sum is 34.

The square root of 2851422154 is about 53398.7092915175. The cubic root of 2851422154 is about 1418.0357278555.

It can be divided in two parts, 285142 and 2154, that added together give a square (287296 = 536²).

The spelling of 2851422154 in words is "two billion, eight hundred fifty-one million, four hundred twenty-two thousand, one hundred fifty-four".