2142671522 has 8 divisors (see below), whose sum is σ = 3214432236. Its totient is φ = 1071194112.

The previous prime is 2142671507. The next prime is 2142671539. The reversal of 2142671522 is 2251762412.

It is a Cunningham number, because it is equal to 46289²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2142671521 + 1 = 46289^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50783 + ... + 82850.

Almost surely, 2^2142671522 is an apocalyptic number.

2142671522 is a deficient number, since it is larger than the sum of its proper divisors (1071760714).

2142671522 is a wasteful number, since it uses less digits than its factorization.

2142671522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141652.

The product of its digits is 13440, while the sum is 32.

The square root of 2142671522 is about 46289.0000108017. Note that the first 4 decimals coincide. The cubic root of 2142671522 is about 1289.1947625715.

The spelling of 2142671522 in words is "two billion, one hundred forty-two million, six hundred seventy-one thousand, five hundred twenty-two".