4218572 has 24 divisors (see below), whose sum is σ = 7832160. Its totient is φ = 1984640.

The previous prime is 4218569. The next prime is 4218581. The reversal of 4218572 is 2758124.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4313 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^4218572 is an apocalyptic number.

It is an amenable number.

4218572 is a deficient number, since it is larger than the sum of its proper divisors (3613588).

4218572 is a wasteful number, since it uses less digits than its factorization.

4218572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 4218572 is about 2053.9162592472. The cubic root of 4218572 is about 161.5803291908.

The spelling of 4218572 in words is "four million, two hundred eighteen thousand, five hundred seventy-two".