2221401201 has 4 divisors (see below), whose sum is σ = 2961868272. Its totient is φ = 1480934132.

The previous prime is 2221401181. The next prime is 2221401209. The reversal of 2221401201 is 1021041222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2221401201 - 2¹¹ = 2221399153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221401209) 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, 370233531 + ... + 370233536.

It is an arithmetic number, because the mean of its divisors is an integer number (740467068).

Almost surely, 2^2221401201 is an apocalyptic number.

It is an amenable number.

2221401201 is a deficient number, since it is larger than the sum of its proper divisors (740467071).

2221401201 is an equidigital number, since it uses as much as digits as its factorization.

2221401201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740467070.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2221401201 is about 47131.7430295125. The cubic root of 2221401201 is about 1304.7951511229.

Adding to 2221401201 its reverse (1021041222), we get a palindrome (3242442423).

The spelling of 2221401201 in words is "two billion, two hundred twenty-one million, four hundred one thousand, two hundred one".