2142209466 has 24 divisors (see below), whose sum is σ = 4843257120. Its totient is φ = 683023176.

The previous prime is 2142209417. The next prime is 2142209479. The reversal of 2142209466 is 6649022412.

It is a super-2 number, since 2×2142209466² = 9178122792440010312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2142209466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2586796 + ... + 2587623.

It is an arithmetic number, because the mean of its divisors is an integer number (201802380).

Almost surely, 2^2142209466 is an apocalyptic number.

2142209466 is an abundant number, since it is smaller than the sum of its proper divisors (2701047654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142209466 is a wasteful number, since it uses less digits than its factorization.

2142209466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174450 (or 5174447 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2142209466 is about 46284.0087503233. The cubic root of 2142209466 is about 1289.1020865216.

The spelling of 2142209466 in words is "two billion, one hundred forty-two million, two hundred nine thousand, four hundred sixty-six".