1322222130 has 80 divisors (see below), whose sum is σ = 3565995840. Its totient is φ = 351533088.

The previous prime is 1322222101. The next prime is 1322222147. The reversal of 1322222130 is 312222231.

It is a super-2 number, since 2×1322222130² = 3496542722123473800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 288517 + ... + 293063.

It is an arithmetic number, because the mean of its divisors is an integer number (44574948).

Almost surely, 2^1322222130 is an apocalyptic number.

1322222130 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 1322222130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782997920).

1322222130 is an abundant number, since it is smaller than the sum of its proper divisors (2243773710).

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

1322222130 is a wasteful number, since it uses less digits than its factorization.

1322222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4916 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1322222130 is about 36362.3724473528. The cubic root of 1322222130 is about 1097.5765185864.

Adding to 1322222130 its reverse (312222231), we get a palindrome (1634444361).

The spelling of 1322222130 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty".