1113222212 has 24 divisors (see below), whose sum is σ = 1971229176. Its totient is φ = 550043648.

The previous prime is 1113222211. The next prime is 1113222223. The reversal of 1113222212 is 2122223111.

It can be written as a sum of positive squares in 4 ways, for example, as 22505536 + 1090716676 = 4744^2 + 33026^2 .

It is not an unprimeable number, because it can be changed into a prime (1113222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156068 + ... + 163044.

It is an arithmetic number, because the mean of its divisors is an integer number (82134549).

Almost surely, 2^1113222212 is an apocalyptic number.

It is an amenable number.

1113222212 is a deficient number, since it is larger than the sum of its proper divisors (858006964).

1113222212 is a wasteful number, since it uses less digits than its factorization.

1113222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447 (or 7445 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 1113222212 is about 33364.9848194181. The cubic root of 1113222212 is about 1036.3997217753.

Adding to 1113222212 its reverse (2122223111), we get a palindrome (3235445323).

The spelling of 1113222212 in words is "one billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred twelve".