2246886421 has 4 divisors (see below), whose sum is σ = 2419723852. Its totient is φ = 2074048992.

The previous prime is 2246886407. The next prime is 2246886431. The reversal of 2246886421 is 1246886422.

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 1377226321 + 869660100 = 37111^2 + 29490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246886421 - 2²¹ = 2244789269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246886431) 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, 86418696 + ... + 86418721.

It is an arithmetic number, because the mean of its divisors is an integer number (604930963).

Almost surely, 2^2246886421 is an apocalyptic number.

It is an amenable number.

2246886421 is a deficient number, since it is larger than the sum of its proper divisors (172837431).

2246886421 is a wasteful number, since it uses less digits than its factorization.

2246886421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172837430.

The product of its digits is 294912, while the sum is 43.

The square root of 2246886421 is about 47401.3335360937. Note that the first 3 decimals coincide. The cubic root of 2246886421 is about 1309.7659821279.

Subtracting from 2246886421 its reverse (1246886422), we obtain a palindrome (999999999).

The spelling of 2246886421 in words is "two billion, two hundred forty-six million, eight hundred eighty-six thousand, four hundred twenty-one".