2221610453 has 16 divisors (see below), whose sum is σ = 2330899200. Its totient is φ = 2114616000.

The previous prime is 2221610449. The next prime is 2221610459. The reversal of 2221610453 is 3540161222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2221610453 - 2² = 2221610449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221610459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1807043 + ... + 1808271.

It is an arithmetic number, because the mean of its divisors is an integer number (145681200).

Almost surely, 2^2221610453 is an apocalyptic number.

It is an amenable number.

2221610453 is a deficient number, since it is larger than the sum of its proper divisors (109288747).

2221610453 is a wasteful number, since it uses less digits than its factorization.

2221610453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2221610453 is about 47133.9628399735. The cubic root of 2221610453 is about 1304.8361196225.

Adding to 2221610453 its reverse (3540161222), we get a palindrome (5761771675).

The spelling of 2221610453 in words is "two billion, two hundred twenty-one million, six hundred ten thousand, four hundred fifty-three".