2142229646 has 8 divisors (see below), whose sum is σ = 3222101280. Its totient is φ = 1068195888.

The previous prime is 2142229597. The next prime is 2142229669. The reversal of 2142229646 is 6469222412.

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

It is a congruent number.

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, 1458551 + ... + 1460018.

It is an arithmetic number, because the mean of its divisors is an integer number (402762660).

Almost surely, 2^2142229646 is an apocalyptic number.

2142229646 is a deficient number, since it is larger than the sum of its proper divisors (1079871634).

2142229646 is a wasteful number, since it uses less digits than its factorization.

2142229646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918938.

The product of its digits is 82944, while the sum is 38.

The square root of 2142229646 is about 46284.2267516699. The cubic root of 2142229646 is about 1289.1061343670.

The spelling of 2142229646 in words is "two billion, one hundred forty-two million, two hundred twenty-nine thousand, six hundred forty-six".