2221201415 has 4 divisors (see below), whose sum is σ = 2665441704. Its totient is φ = 1776961128.

The previous prime is 2221201361. The next prime is 2221201459. The reversal of 2221201415 is 5141021222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221201415 - 2⁸ = 2221201159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222120137 + ... + 222120146.

It is an arithmetic number, because the mean of its divisors is an integer number (666360426).

Almost surely, 2^2221201415 is an apocalyptic number.

2221201415 is a deficient number, since it is larger than the sum of its proper divisors (444240289).

2221201415 is an equidigital number, since it uses as much as digits as its factorization.

2221201415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444240288.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2221201415 is about 47129.6235397653. The cubic root of 2221201415 is about 1304.7560335276.

Adding to 2221201415 its reverse (5141021222), we get a palindrome (7362222637).

The spelling of 2221201415 in words is "two billion, two hundred twenty-one million, two hundred one thousand, four hundred fifteen".