2252114021 has 4 divisors (see below), whose sum is σ = 2282964972. Its totient is φ = 2221263072.

The previous prime is 2252113979. The next prime is 2252114041. The reversal of 2252114021 is 1204112522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 391485796 + 1860628225 = 19786^2 + 43135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2252114021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2252113984 and 2252114002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252114041) 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, 15425366 + ... + 15425511.

It is an arithmetic number, because the mean of its divisors is an integer number (570741243).

Almost surely, 2^2252114021 is an apocalyptic number.

It is an amenable number.

2252114021 is a deficient number, since it is larger than the sum of its proper divisors (30850951).

2252114021 is an equidigital number, since it uses as much as digits as its factorization.

2252114021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30850950.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2252114021 is about 47456.4434086669. The cubic root of 2252114021 is about 1310.7809614074.

Adding to 2252114021 its reverse (1204112522), we get a palindrome (3456226543).

The spelling of 2252114021 in words is "two billion, two hundred fifty-two million, one hundred fourteen thousand, twenty-one".