222019436 has 12 divisors (see below), whose sum is σ = 392165928. Its totient is φ = 109972032.

The previous prime is 222019417. The next prime is 222019459. The reversal of 222019436 is 634910222.

It is a junction number, because it is equal to n+sod(n) for n = 222019399 and 222019408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258941 + ... + 259796.

It is an arithmetic number, because the mean of its divisors is an integer number (32680494).

Almost surely, 2^222019436 is an apocalyptic number.

It is an amenable number.

222019436 is a deficient number, since it is larger than the sum of its proper divisors (170146492).

222019436 is a wasteful number, since it uses less digits than its factorization.

222019436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518848 (or 518846 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 222019436 is about 14900.3166409308. The cubic root of 222019436 is about 605.5225646957.

Adding to 222019436 its reverse (634910222), we get a palindrome (856929658).

The spelling of 222019436 in words is "two hundred twenty-two million, nineteen thousand, four hundred thirty-six".