422221022 has 16 divisors (see below), whose sum is σ = 648622080. Its totient is φ = 206038968.

The previous prime is 422221003. The next prime is 422221031. The reversal of 422221022 is 220122224.

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, 28379 + ... + 40617.

It is an arithmetic number, because the mean of its divisors is an integer number (40538880).

Almost surely, 2^422221022 is an apocalyptic number.

422221022 is a deficient number, since it is larger than the sum of its proper divisors (226401058).

422221022 is a wasteful number, since it uses less digits than its factorization.

422221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 422221022 is about 20548.0174712793. The cubic root of 422221022 is about 750.2049940389.

Adding to 422221022 its reverse (220122224), we get a palindrome (642343246).

The spelling of 422221022 in words is "four hundred twenty-two million, two hundred twenty-one thousand, twenty-two".