1222111230 has 16 divisors (see below), whose sum is σ = 2933067024. Its totient is φ = 325896320.

The previous prime is 1222111207. The next prime is 1222111273. The reversal of 1222111230 is 321112221.

It is a super-4 number, since 4×1222111230⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20368491 + ... + 20368550.

It is an arithmetic number, because the mean of its divisors is an integer number (183316689).

Almost surely, 2^1222111230 is an apocalyptic number.

1222111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222111230 is an abundant number, since it is smaller than the sum of its proper divisors (1710955794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222111230 is a wasteful number, since it uses less digits than its factorization.

1222111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40737051.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1222111230 is about 34958.7074989909. The cubic root of 1222111230 is about 1069.1457443495.

Adding to 1222111230 its reverse (321112221), we get a palindrome (1543223451).

Subtracting from 1222111230 its reverse (321112221), we obtain a palindrome (900999009).

The spelling of 1222111230 in words is "one billion, two hundred twenty-two million, one hundred eleven thousand, two hundred thirty".