4228772 has 24 divisors (see below), whose sum is σ = 7768320. Its totient is φ = 2011680.

The previous prime is 4228771. The next prime is 4228787. The reversal of 4228772 is 2778224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4228771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8054 + ... + 8562.

It is an arithmetic number, because the mean of its divisors is an integer number (323680).

Almost surely, 2^4228772 is an apocalyptic number.

It is an amenable number.

4228772 is a deficient number, since it is larger than the sum of its proper divisors (3539548).

4228772 is a wasteful number, since it uses less digits than its factorization.

4228772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 609 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 4228772 is about 2056.3978214344. The cubic root of 4228772 is about 161.7104516446.

The spelling of 4228772 in words is "four million, two hundred twenty-eight thousand, seven hundred seventy-two".