1222110320 has 40 divisors (see below), whose sum is σ = 2842932624. Its totient is φ = 488581632.

The previous prime is 1222110319. The next prime is 1222110361. The reversal of 1222110320 is 230112221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×1222110320³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222110295 and 1222110304.

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, 225887 + ... + 231233.

Almost surely, 2^1222110320 is an apocalyptic number.

1222110320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222110320 is an abundant number, since it is smaller than the sum of its proper divisors (1620822304).

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

1222110320 is a wasteful number, since it uses less digits than its factorization.

1222110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217 (or 8211 counting only the distinct ones).

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

The square root of 1222110320 is about 34958.6944836331. The cubic root of 1222110320 is about 1069.1454789828.

Adding to 1222110320 its reverse (230112221), we get a palindrome (1452222541).

The spelling of 1222110320 in words is "one billion, two hundred twenty-two million, one hundred ten thousand, three hundred twenty".