4042220201 has 8 divisors (see below), whose sum is σ = 4080665160. Its totient is φ = 4003800192.

The previous prime is 4042220197. The next prime is 4042220239. The reversal of 4042220201 is 1020222404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 287472025 + 3754748176 = 16955^2 + 61276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4042220201 - 2² = 4042220197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4042220201.

It is not an unprimeable number, because it can be changed into a prime (4042220251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553691 + ... + 560943.

It is an arithmetic number, because the mean of its divisors is an integer number (510083145).

Almost surely, 2^4042220201 is an apocalyptic number.

It is an amenable number.

4042220201 is a deficient number, since it is larger than the sum of its proper divisors (38444959).

4042220201 is a wasteful number, since it uses less digits than its factorization.

4042220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12475.

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

The square root of 4042220201 is about 63578.4570511113. The cubic root of 4042220201 is about 1592.9665489136.

Adding to 4042220201 its reverse (1020222404), we get a palindrome (5062442605).

The spelling of 4042220201 in words is "four billion, forty-two million, two hundred twenty thousand, two hundred one".