2246442551 has 4 divisors (see below), whose sum is σ = 2246756232. Its totient is φ = 2246128872.

The previous prime is 2246442533. The next prime is 2246442563. The reversal of 2246442551 is 1552446422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2246442551 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 (2246442511) 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, 145841 + ... + 160506.

It is an arithmetic number, because the mean of its divisors is an integer number (561689058).

Almost surely, 2^2246442551 is an apocalyptic number.

2246442551 is a deficient number, since it is larger than the sum of its proper divisors (313681).

2246442551 is an equidigital number, since it uses as much as digits as its factorization.

2246442551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313680.

The product of its digits is 76800, while the sum is 35.

The square root of 2246442551 is about 47396.6512635650. The cubic root of 2246442551 is about 1309.6797288267.

Adding to 2246442551 its reverse (1552446422), we get a palindrome (3798888973).

The spelling of 2246442551 in words is "two billion, two hundred forty-six million, four hundred forty-two thousand, five hundred fifty-one".