1222013310 has 256 divisors, whose sum is σ = 3732480000. Its totient is φ = 249758208.

The previous prime is 1222013293. The next prime is 1222013333. The reversal of 1222013310 is 133102221.

It is a super-2 number, since 2×1222013310² = 2986633059634312200, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1222013310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6826801 + ... + 6826979.

It is an arithmetic number, because the mean of its divisors is an integer number (14580000).

Almost surely, 2^1222013310 is an apocalyptic number.

1222013310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222013310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866240000).

1222013310 is an abundant number, since it is smaller than the sum of its proper divisors (2510466690).

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

1222013310 is a wasteful number, since it uses less digits than its factorization.

1222013310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1222013310 is about 34957.3069614923. The cubic root of 1222013310 is about 1069.1171889706.

Adding to 1222013310 its reverse (133102221), we get a palindrome (1355115531).

The spelling of 1222013310 in words is "one billion, two hundred twenty-two million, thirteen thousand, three hundred ten".