2783227421 has 4 divisors (see below), whose sum is σ = 2997321852. Its totient is φ = 2569132992.

The previous prime is 2783227409. The next prime is 2783227427. The reversal of 2783227421 is 1247223872.

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 600936196 + 2182291225 = 24514^2 + 46715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2783227421 - 2¹⁴ = 2783211037 is a prime.

It is a super-2 number, since 2×2783227421² = 15492709754012622482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783227427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107047196 + ... + 107047221.

It is an arithmetic number, because the mean of its divisors is an integer number (749330463).

Almost surely, 2^2783227421 is an apocalyptic number.

It is an amenable number.

2783227421 is a deficient number, since it is larger than the sum of its proper divisors (214094431).

2783227421 is a wasteful number, since it uses less digits than its factorization.

2783227421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214094430.

The product of its digits is 75264, while the sum is 38.

The square root of 2783227421 is about 52756.3021922500. The cubic root of 2783227421 is about 1406.6397897415.

The spelling of 2783227421 in words is "two billion, seven hundred eighty-three million, two hundred twenty-seven thousand, four hundred twenty-one".