4222242 has 24 divisors (see below), whose sum is σ = 9225216. Its totient is φ = 1395576.

The previous prime is 4222219. The next prime is 4222243. The reversal of 4222242 is 2422224.

4222242 is a `hidden beast` number, since 422 + 2 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4222243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1363 + ... + 3209.

It is an arithmetic number, because the mean of its divisors is an integer number (384384).

Almost surely, 2^4222242 is an apocalyptic number.

4222242 is an abundant number, since it is smaller than the sum of its proper divisors (5002974).

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

4222242 is a wasteful number, since it uses less digits than its factorization.

4222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1979 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 4222242 is about 2054.8094802195. The cubic root of 4222242 is about 161.6271718924.

Subtracting from 4222242 its sum of digits (18), we obtain a palindrome (4222224).

Adding to 4222242 its reverse (2422224), we get a palindrome (6644466).

It can be divided in two parts, 422224 and 2, that multiplied together give a palindrome (844448).

The spelling of 4222242 in words is "four million, two hundred twenty-two thousand, two hundred forty-two".