222434849 has 16 divisors (see below), whose sum is σ = 277240320. Its totient is φ = 173759040.

The previous prime is 222434819. The next prime is 222434899. The reversal of 222434849 is 948434222.

It is a de Polignac number, because none of the positive numbers 2^k-222434849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222434809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8282 + ... + 22659.

It is an arithmetic number, because the mean of its divisors is an integer number (17327520).

Almost surely, 2^222434849 is an apocalyptic number.

It is an amenable number.

222434849 is a deficient number, since it is larger than the sum of its proper divisors (54805471).

222434849 is a wasteful number, since it uses less digits than its factorization.

222434849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31040.

The product of its digits is 110592, while the sum is 38.

The square root of 222434849 is about 14914.2498638047. The cubic root of 222434849 is about 605.8999869441.

It can be divided in two parts, 2224 and 34849, that added together give a palindrome (37073).

The spelling of 222434849 in words is "two hundred twenty-two million, four hundred thirty-four thousand, eight hundred forty-nine".