4226977821 has 16 divisors (see below), whose sum is σ = 6199149888. Its totient is φ = 2561802320.

The previous prime is 4226977819. The next prime is 4226977831. The reversal of 4226977821 is 1287796224.

It is not a de Polignac number, because 4226977821 - 2¹ = 4226977819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4226977831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525306 + ... + 533291.

It is an arithmetic number, because the mean of its divisors is an integer number (387446868).

Almost surely, 2^4226977821 is an apocalyptic number.

It is an amenable number.

4226977821 is a deficient number, since it is larger than the sum of its proper divisors (1972172067).

4226977821 is a wasteful number, since it uses less digits than its factorization.

4226977821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058633 (or 1058611 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 4226977821 is about 65015.2122276010. The cubic root of 4226977821 is about 1616.8757829518.

The spelling of 4226977821 in words is "four billion, two hundred twenty-six million, nine hundred seventy-seven thousand, eight hundred twenty-one".