222018536 has 16 divisors (see below), whose sum is σ = 417947040. Its totient is φ = 110566000.

The previous prime is 222018499. The next prime is 222018541. The reversal of 222018536 is 635810222.

222018536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222018499 and 222018508.

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, 53276 + ... + 57291.

It is an arithmetic number, because the mean of its divisors is an integer number (26121690).

Almost surely, 2^222018536 is an apocalyptic number.

It is an amenable number.

222018536 is a deficient number, since it is larger than the sum of its proper divisors (195928504).

222018536 is a wasteful number, since it uses less digits than its factorization.

222018536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110824 (or 110820 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 222018536 is about 14900.2864401997. The cubic root of 222018536 is about 605.5217464925.

Adding to 222018536 its reverse (635810222), we get a palindrome (857828758).

The spelling of 222018536 in words is "two hundred twenty-two million, eighteen thousand, five hundred thirty-six".