1222303122 has 96 divisors (see below), whose sum is σ = 2933618688. Its totient is φ = 380506896.

The previous prime is 1222303109. The next prime is 1222303133. The reversal of 1222303122 is 2213032221.

1222303122 is a `hidden beast` number, since 122 + 230 + 312 + 2 = 666.

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 = 1222303095 and 1222303104.

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, 479383 + ... + 481925.

It is an arithmetic number, because the mean of its divisors is an integer number (30558528).

Almost surely, 2^1222303122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222303122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466809344).

1222303122 is an abundant number, since it is smaller than the sum of its proper divisors (1711315566).

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

1222303122 is a wasteful number, since it uses less digits than its factorization.

1222303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2614 counting only the distinct ones).

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

The square root of 1222303122 is about 34961.4519435335. The cubic root of 1222303122 is about 1069.2016993704.

Adding to 1222303122 its reverse (2213032221), we get a palindrome (3435335343).

The spelling of 1222303122 in words is "one billion, two hundred twenty-two million, three hundred three thousand, one hundred twenty-two".