422220022 has 8 divisors (see below), whose sum is σ = 723805776. Its totient is φ = 180951432.

The previous prime is 422220017. The next prime is 422220049. The reversal of 422220022 is 220022224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 422219978 and 422220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15079273 + ... + 15079300.

It is an arithmetic number, because the mean of its divisors is an integer number (90475722).

Almost surely, 2^422220022 is an apocalyptic number.

422220022 is a deficient number, since it is larger than the sum of its proper divisors (301585754).

422220022 is a wasteful number, since it uses less digits than its factorization.

422220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30158582.

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

The square root of 422220022 is about 20547.9931380172. The cubic root of 422220022 is about 750.2044017696.

Adding to 422220022 its reverse (220022224), we get a palindrome (642242246).

The spelling of 422220022 in words is "four hundred twenty-two million, two hundred twenty thousand, twenty-two".