422220224 has 28 divisors (see below), whose sum is σ = 838581000. Its totient is φ = 210924288.

The previous prime is 422220157. The next prime is 422220233. The reversal of 422220224 is 422022224.

It is a super-2 number, since 2×422220224² = 356539835109220352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422220196 and 422220205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97007 + ... + 101265.

Almost surely, 2^422220224 is an apocalyptic number.

It is an amenable number.

422220224 is a deficient number, since it is larger than the sum of its proper divisors (416360776).

422220224 is a wasteful number, since it uses less digits than its factorization.

422220224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820 (or 5810 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 422220224 is about 20547.9980533384. The cubic root of 422220224 is about 750.2045214081.

Adding to 422220224 its reverse (422022224), we get a palindrome (844242448).

The spelling of 422220224 in words is "four hundred twenty-two million, two hundred twenty thousand, two hundred twenty-four".