2221242253 has 16 divisors (see below), whose sum is σ = 2478798720. Its totient is φ = 1978062336.

The previous prime is 2221242193. The next prime is 2221242307. The reversal of 2221242253 is 3522421222.

2221242253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221242253 - 2¹⁷ = 2221111181 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 (2221240253) 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, 282625 + ... + 290377.

It is an arithmetic number, because the mean of its divisors is an integer number (154924920).

Almost surely, 2^2221242253 is an apocalyptic number.

It is an amenable number.

2221242253 is a deficient number, since it is larger than the sum of its proper divisors (257556467).

2221242253 is a wasteful number, since it uses less digits than its factorization.

2221242253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676.

The product of its digits is 3840, while the sum is 25.

The square root of 2221242253 is about 47130.0567896963. The cubic root of 2221242253 is about 1304.7640296958.

Adding to 2221242253 its reverse (3522421222), we get a palindrome (5743663475).

The spelling of 2221242253 in words is "two billion, two hundred twenty-one million, two hundred forty-two thousand, two hundred fifty-three".