2221414045 has 4 divisors (see below), whose sum is σ = 2665696860. Its totient is φ = 1777131232.

The previous prime is 2221414043. The next prime is 2221414049. The reversal of 2221414045 is 5404141222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5404141222 = 2 ⋅2702070611.

It can be written as a sum of positive squares in 2 ways, for example, as 887265369 + 1334148676 = 29787^2 + 36526^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221414045 - 2¹ = 2221414043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221414043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222141400 + ... + 222141409.

It is an arithmetic number, because the mean of its divisors is an integer number (666424215).

Almost surely, 2^2221414045 is an apocalyptic number.

It is an amenable number.

2221414045 is a deficient number, since it is larger than the sum of its proper divisors (444282815).

2221414045 is an equidigital number, since it uses as much as digits as its factorization.

2221414045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444282814.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2221414045 is about 47131.8792856809. The cubic root of 2221414045 is about 1304.7976658655.

Adding to 2221414045 its reverse (5404141222), we get a palindrome (7625555267).

The spelling of 2221414045 in words is "two billion, two hundred twenty-one million, four hundred fourteen thousand, forty-five".