4776222255421 has 4 divisors (see below), whose sum is σ = 4784953923712. Its totient is φ = 4767490587132.

The previous prime is 4776222255419. The next prime is 4776222255449. The reversal of 4776222255421 is 1245522226774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4776222255421 - 2¹ = 4776222255419 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 (4776222255451) 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, 4365833325 + ... + 4365834418.

It is an arithmetic number, because the mean of its divisors is an integer number (1196238480928).

Almost surely, 2^{4776222255421} is an apocalyptic number.

It is an amenable number.

4776222255421 is a deficient number, since it is larger than the sum of its proper divisors (8731668291).

4776222255421 is an equidigital number, since it uses as much as digits as its factorization.

4776222255421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731668290.

The product of its digits is 3763200, while the sum is 49.

The spelling of 4776222255421 in words is "four trillion, seven hundred seventy-six billion, two hundred twenty-two million, two hundred fifty-five thousand, four hundred twenty-one".