2246776421 has 4 divisors (see below), whose sum is σ = 2324251500. Its totient is φ = 2169301344.

The previous prime is 2246776409. The next prime is 2246776489. The reversal of 2246776421 is 1246776422.

2246776421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 697488100 + 1549288321 = 26410^2 + 39361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246776421 - 2¹⁰ = 2246775397 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 (2246776921) 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, 38737496 + ... + 38737553.

It is an arithmetic number, because the mean of its divisors is an integer number (581062875).

Almost surely, 2^2246776421 is an apocalyptic number.

It is an amenable number.

2246776421 is a deficient number, since it is larger than the sum of its proper divisors (77475079).

2246776421 is an equidigital number, since it uses as much as digits as its factorization.

2246776421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77475078.

The product of its digits is 225792, while the sum is 41.

The square root of 2246776421 is about 47400.1732169831. The cubic root of 2246776421 is about 1309.7446078670.

Subtracting from 2246776421 its reverse (1246776422), we obtain a palindrome (999999999).

The spelling of 2246776421 in words is "two billion, two hundred forty-six million, seven hundred seventy-six thousand, four hundred twenty-one".