2242254121 has 4 divisors (see below), whose sum is σ = 2253872212. Its totient is φ = 2230636032.

The previous prime is 2242254109. The next prime is 2242254137. The reversal of 2242254121 is 1214522422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1214522422 = 2 ⋅607261211.

It can be written as a sum of positive squares in 2 ways, for example, as 1334075625 + 908178496 = 36525^2 + 30136^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242254121 - 2¹⁷ = 2242123049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2242255121) 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, 5808756 + ... + 5809141.

It is an arithmetic number, because the mean of its divisors is an integer number (563468053).

Almost surely, 2^2242254121 is an apocalyptic number.

It is an amenable number.

2242254121 is a deficient number, since it is larger than the sum of its proper divisors (11618091).

2242254121 is a wasteful number, since it uses less digits than its factorization.

2242254121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11618090.

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

The square root of 2242254121 is about 47352.4457763271. The cubic root of 2242254121 is about 1308.8652685610.

Adding to 2242254121 its reverse (1214522422), we get a palindrome (3456776543).

The spelling of 2242254121 in words is "two billion, two hundred forty-two million, two hundred fifty-four thousand, one hundred twenty-one".