4272220 has 12 divisors (see below), whose sum is σ = 8971704. Its totient is φ = 1708880.

The previous prime is 4272211. The next prime is 4272221. The reversal of 4272220 is 222724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272221) 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, 106786 + ... + 106825.

It is an arithmetic number, because the mean of its divisors is an integer number (747642).

Almost surely, 2^4272220 is an apocalyptic number.

It is an amenable number.

4272220 is an abundant number, since it is smaller than the sum of its proper divisors (4699484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4272220 is a wasteful number, since it uses less digits than its factorization.

4272220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213620 (or 213618 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4272220 is about 2066.9349288258. The cubic root of 4272220 is about 162.2623904061.

Adding to 4272220 its reverse (222724), we get a palindrome (4494944).

The spelling of 4272220 in words is "four million, two hundred seventy-two thousand, two hundred twenty".