404422222 has 4 divisors (see below), whose sum is σ = 606633336. Its totient is φ = 202211110.

The previous prime is 404422217. The next prime is 404422259. The reversal of 404422222 is 222224404.

It is a happy number.

It is a semiprime because it is the product of two primes.

404422222 is a modest number, since divided by 22222 gives 4044 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 404422193 and 404422202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105554 + ... + 101105557.

It is an arithmetic number, because the mean of its divisors is an integer number (151658334).

Almost surely, 2^404422222 is an apocalyptic number.

404422222 is a deficient number, since it is larger than the sum of its proper divisors (202211114).

404422222 is a wasteful number, since it uses less digits than its factorization.

404422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202211113.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 404422222 is about 20110.2516642632. The cubic root of 404422222 is about 739.5116219975.

Adding to 404422222 its reverse (222224404), we get a palindrome (626646626).

The spelling of 404422222 in words is "four hundred four million, four hundred twenty-two thousand, two hundred twenty-two".