4420172 has 12 divisors (see below), whose sum is σ = 7750176. Its totient is φ = 2205840.

The previous prime is 4420159. The next prime is 4420183. The reversal of 4420172 is 2710244.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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, 3038 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (645848).

Almost surely, 2^4420172 is an apocalyptic number.

It is an amenable number.

4420172 is a deficient number, since it is larger than the sum of its proper divisors (3330004).

4420172 is a wasteful number, since it uses less digits than its factorization.

4420172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 4420172 is about 2102.4205097934. The cubic root of 4420172 is about 164.1142867869.

The spelling of 4420172 in words is "four million, four hundred twenty thousand, one hundred seventy-two".