4002421222 has 32 divisors (see below), whose sum is σ = 6491234304. Its totient is φ = 1845439200.

The previous prime is 4002421219. The next prime is 4002421229. The reversal of 4002421222 is 2221242004.

4002421222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4002421222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002421229) 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, 381268 + ... + 391624.

It is an arithmetic number, because the mean of its divisors is an integer number (202851072).

Almost surely, 2^4002421222 is an apocalyptic number.

4002421222 is a deficient number, since it is larger than the sum of its proper divisors (2488813082).

4002421222 is a wasteful number, since it uses less digits than its factorization.

4002421222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4002421222 is about 63264.6917482414. The cubic root of 4002421222 is about 1587.7212748951.

Adding to 4002421222 its reverse (2221242004), we get a palindrome (6223663226).

The spelling of 4002421222 in words is "four billion, two million, four hundred twenty-one thousand, two hundred twenty-two".