4001240222 has 32 divisors (see below), whose sum is σ = 6984356544. Its totient is φ = 1683648000.

The previous prime is 4001240219. The next prime is 4001240261. The reversal of 4001240222 is 2220421004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4001240222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502472 + ... + 510372.

It is an arithmetic number, because the mean of its divisors is an integer number (218261142).

Almost surely, 2^4001240222 is an apocalyptic number.

4001240222 is a deficient number, since it is larger than the sum of its proper divisors (2983116322).

4001240222 is a wasteful number, since it uses less digits than its factorization.

4001240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564.

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

The square root of 4001240222 is about 63255.3572592867. The cubic root of 4001240222 is about 1587.5650958241.

Adding to 4001240222 its reverse (2220421004), we get a palindrome (6221661226).

The spelling of 4001240222 in words is "four billion, one million, two hundred forty thousand, two hundred twenty-two".