220042222 has 4 divisors (see below), whose sum is σ = 330063336. Its totient is φ = 110021110.

The previous prime is 220042217. The next prime is 220042241. The reversal of 220042222 is 222240022.

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

It is a junction number, because it is equal to n+sod(n) for n = 220042196 and 220042205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010554 + ... + 55010557.

It is an arithmetic number, because the mean of its divisors is an integer number (82515834).

Almost surely, 2^220042222 is an apocalyptic number.

220042222 is a deficient number, since it is larger than the sum of its proper divisors (110021114).

220042222 is a wasteful number, since it uses less digits than its factorization.

220042222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110021113.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220042222 is about 14833.8202092381. The cubic root of 220042222 is about 603.7196903341.

Adding to 220042222 its reverse (222240022), we get a palindrome (442282244).

The spelling of 220042222 in words is "two hundred twenty million, forty-two thousand, two hundred twenty-two".