1301322222 has 96 divisors (see below), whose sum is σ = 3065999040. Its totient is φ = 397393920.

The previous prime is 1301322203. The next prime is 1301322241. The reversal of 1301322222 is 2222231031.

It is an interprime number because it is at equal distance from previous prime (1301322203) and next prime (1301322241).

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

It is a junction number, because it is equal to n+sod(n) for n = 1301322195 and 1301322204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1933278 + ... + 1933950.

It is an arithmetic number, because the mean of its divisors is an integer number (31937490).

Almost surely, 2^1301322222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301322222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532999520).

1301322222 is an abundant number, since it is smaller than the sum of its proper divisors (1764676818).

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

1301322222 is a wasteful number, since it uses less digits than its factorization.

1301322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 855 counting only the distinct ones).

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

The square root of 1301322222 is about 36073.8440147429. The cubic root of 1301322222 is about 1091.7627740132.

Adding to 1301322222 its reverse (2222231031), we get a palindrome (3523553253).

The spelling of 1301322222 in words is "one billion, three hundred one million, three hundred twenty-two thousand, two hundred twenty-two".