4002222642 has 32 divisors (see below), whose sum is σ = 8734388544. Its totient is φ = 1212480000.

The previous prime is 4002222559. The next prime is 4002222649. The reversal of 4002222642 is 2462222004.

It is a super-2 number, since 2×4002222642² = 32035572152274920328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4002222649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440142 + ... + 449142.

It is an arithmetic number, because the mean of its divisors is an integer number (272949642).

Almost surely, 2^4002222642 is an apocalyptic number.

4002222642 is an abundant number, since it is smaller than the sum of its proper divisors (4732165902).

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

4002222642 is a wasteful number, since it uses less digits than its factorization.

4002222642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15754.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4002222642 is about 63263.1222909524. The cubic root of 4002222642 is about 1587.6950162142.

Adding to 4002222642 its reverse (2462222004), we get a palindrome (6464444646).

The spelling of 4002222642 in words is "four billion, two million, two hundred twenty-two thousand, six hundred forty-two".