2253211321 has 4 divisors (see below), whose sum is σ = 2255042944. Its totient is φ = 2251379700.

The previous prime is 2253211291. The next prime is 2253211327. The reversal of 2253211321 is 1231123522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2253211321 - 2⁹ = 2253210809 is a prime.

It is a super-2 number, since 2×2253211321² = 10153922514165130082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2253211292 and 2253211301.

It is not an unprimeable number, because it can be changed into a prime (2253211327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913965 + ... + 916426.

It is an arithmetic number, because the mean of its divisors is an integer number (563760736).

Almost surely, 2^2253211321 is an apocalyptic number.

It is an amenable number.

2253211321 is a deficient number, since it is larger than the sum of its proper divisors (1831623).

2253211321 is a wasteful number, since it uses less digits than its factorization.

2253211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831622.

The product of its digits is 720, while the sum is 22.

The square root of 2253211321 is about 47468.0031284233. The cubic root of 2253211321 is about 1310.9938112603.

Adding to 2253211321 its reverse (1231123522), we get a palindrome (3484334843).

The spelling of 2253211321 in words is "two billion, two hundred fifty-three million, two hundred eleven thousand, three hundred twenty-one".