4227778 has 8 divisors (see below), whose sum is σ = 6350400. Its totient is φ = 2110980.

The previous prime is 4227761. The next prime is 4227787. The reversal of 4227778 is 8777224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 2^4227778 is an apocalyptic number.

4227778 is a deficient number, since it is larger than the sum of its proper divisors (2122622).

4227778 is a wasteful number, since it uses less digits than its factorization.

4227778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912.

The product of its digits is 43904, while the sum is 37.

The square root of 4227778 is about 2056.1561224771. The cubic root of 4227778 is about 161.6977802919.

It can be divided in two parts, 4227 and 778, that added together give a palindrome (5005).

The spelling of 4227778 in words is "four million, two hundred twenty-seven thousand, seven hundred seventy-eight".