4290222 has 16 divisors (see below), whose sum is σ = 9085392. Its totient is φ = 1345920.

The previous prime is 4290217. The next prime is 4290233. The reversal of 4290222 is 2220924.

It is a congruent number.

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, 20929 + ... + 21132.

It is an arithmetic number, because the mean of its divisors is an integer number (567837).

Almost surely, 2^4290222 is an apocalyptic number.

4290222 is an abundant number, since it is smaller than the sum of its proper divisors (4795170).

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

4290222 is a wasteful number, since it uses less digits than its factorization.

4290222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42083.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4290222 is about 2071.2851083325. The cubic root of 4290222 is about 162.4899812364.

It can be divided in two parts, 42902 and 22, that added together give a palindrome (42924).

The spelling of 4290222 in words is "four million, two hundred ninety thousand, two hundred twenty-two".