4002662242 has 4 divisors (see below), whose sum is σ = 6003993366. Its totient is φ = 2001331120.

The previous prime is 4002662233. The next prime is 4002662263. The reversal of 4002662242 is 2422662004.

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

It can be written as a sum of positive squares in only one way, i.e., 2719518201 + 1283144041 = 52149^2 + 35821^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4002662242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000665559 + ... + 1000665562.

Almost surely, 2^4002662242 is an apocalyptic number.

4002662242 is a deficient number, since it is larger than the sum of its proper divisors (2001331124).

4002662242 is a wasteful number, since it uses less digits than its factorization.

4002662242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001331123.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 4002662242 is about 63266.5965735474. The cubic root of 4002662242 is about 1587.7531443461.

The spelling of 4002662242 in words is "four billion, two million, six hundred sixty-two thousand, two hundred forty-two".