6222774421 has 4 divisors (see below), whose sum is σ = 6228942700. Its totient is φ = 6216606144.

The previous prime is 6222774409. The next prime is 6222774433. The reversal of 6222774421 is 1244772226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1244772226 = 2 ⋅622386113.

It is an interprime number because it is at equal distance from previous prime (6222774409) and next prime (6222774433).

It can be written as a sum of positive squares in 2 ways, for example, as 2300257521 + 3922516900 = 47961^2 + 62630^2 .

It is a cyclic number.

It is not a de Polignac number, because 6222774421 - 2²¹ = 6220677269 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 (6222774451) 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, 3082626 + ... + 3084643.

It is an arithmetic number, because the mean of its divisors is an integer number (1557235675).

Almost surely, 2^6222774421 is an apocalyptic number.

It is an amenable number.

6222774421 is a deficient number, since it is larger than the sum of its proper divisors (6168279).

6222774421 is a wasteful number, since it uses less digits than its factorization.

6222774421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168278.

The product of its digits is 75264, while the sum is 37.

The square root of 6222774421 is about 78884.5638956063. The cubic root of 6222774421 is about 1839.3371924503.

The spelling of 6222774421 in words is "six billion, two hundred twenty-two million, seven hundred seventy-four thousand, four hundred twenty-one".