1222011230 has 64 divisors (see below), whose sum is σ = 2439486720. Its totient is φ = 437049600.

The previous prime is 1222011223. The next prime is 1222011257. The reversal of 1222011230 is 321102221.

It is a happy number.

It is a super-2 number, since 2×1222011230² = 2986622892492225800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1973861 + ... + 1974479.

It is an arithmetic number, because the mean of its divisors is an integer number (38116980).

Almost surely, 2^1222011230 is an apocalyptic number.

1222011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222011230 is a deficient number, since it is larger than the sum of its proper divisors (1217475490).

1222011230 is a wasteful number, since it uses less digits than its factorization.

1222011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1222011230 is about 34957.2772109042. The cubic root of 1222011230 is about 1069.1165823856.

Adding to 1222011230 its reverse (321102221), we get a palindrome (1543113451).

Subtracting from 1222011230 its reverse (321102221), we obtain a palindrome (900909009).

The spelling of 1222011230 in words is "one billion, two hundred twenty-two million, eleven thousand, two hundred thirty".