2252411221 has 8 divisors (see below), whose sum is σ = 2421406080. Its totient is φ = 2088461088.

The previous prime is 2252411191. The next prime is 2252411269. The reversal of 2252411221 is 1221142522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2252411221 - 2⁹ = 2252410709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2252411192 and 2252411201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252411521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260256 + ... + 1262041.

It is an arithmetic number, because the mean of its divisors is an integer number (302675760).

Almost surely, 2^2252411221 is an apocalyptic number.

It is an amenable number.

2252411221 is a deficient number, since it is larger than the sum of its proper divisors (168994859).

2252411221 is a wasteful number, since it uses less digits than its factorization.

2252411221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522363.

The product of its digits is 640, while the sum is 22.

The square root of 2252411221 is about 47459.5745977564. The cubic root of 2252411221 is about 1310.8386178972.

Adding to 2252411221 its reverse (1221142522), we get a palindrome (3473553743).

The spelling of 2252411221 in words is "two billion, two hundred fifty-two million, four hundred eleven thousand, two hundred twenty-one".