4002401222 has 64 divisors (see below), whose sum is σ = 6785783424. Its totient is φ = 1761730560.

The previous prime is 4002401219. The next prime is 4002401237. The reversal of 4002401222 is 2221042004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 4002401222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3764663 + ... + 3765725.

It is an arithmetic number, because the mean of its divisors is an integer number (106027866).

Almost surely, 2^4002401222 is an apocalyptic number.

4002401222 is a deficient number, since it is larger than the sum of its proper divisors (2783382202).

4002401222 is a wasteful number, since it uses less digits than its factorization.

4002401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4002401222 is about 63264.5336819928. The cubic root of 4002401222 is about 1587.7186302894.

Adding to 4002401222 its reverse (2221042004), we get a palindrome (6223443226).

It can be divided in two parts, 4002 and 401222, that added together give a cube (405224 = 74³).

The spelling of 4002401222 in words is "four billion, two million, four hundred one thousand, two hundred twenty-two".