3742220201 has 4 divisors (see below), whose sum is σ = 3743268804. Its totient is φ = 3741171600.

The previous prime is 3742220197. The next prime is 3742220203. The reversal of 3742220201 is 1020222473.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1604082601 + 2138137600 = 40051^2 + 46240^2 .

It is a cyclic number.

It is not a de Polignac number, because 3742220201 - 2² = 3742220197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3742220203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518930 + ... + 526091.

It is an arithmetic number, because the mean of its divisors is an integer number (935817201).

Almost surely, 2^3742220201 is an apocalyptic number.

It is an amenable number.

3742220201 is a deficient number, since it is larger than the sum of its proper divisors (1048603).

3742220201 is a wasteful number, since it uses less digits than its factorization.

3742220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048602.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 3742220201 is about 61173.6887967368. The cubic root of 3742220201 is about 1552.5411249492.

Adding to 3742220201 its reverse (1020222473), we get a palindrome (4762442674).

The spelling of 3742220201 in words is "three billion, seven hundred forty-two million, two hundred twenty thousand, two hundred one".