1222301112 has 64 divisors (see below), whose sum is σ = 3135456000. Its totient is φ = 396931584.

The previous prime is 1222301107. The next prime is 1222301117. The reversal of 1222301112 is 2111032221.

It is an interprime number because it is at equal distance from previous prime (1222301107) and next prime (1222301117).

It is a junction number, because it is equal to n+sod(n) for n = 1222301091 and 1222301100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222301117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156189 + ... + 163827.

It is an arithmetic number, because the mean of its divisors is an integer number (48991500).

Almost surely, 2^1222301112 is an apocalyptic number.

1222301112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222301112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567728000).

1222301112 is an abundant number, since it is smaller than the sum of its proper divisors (1913154888).

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

1222301112 is a wasteful number, since it uses less digits than its factorization.

1222301112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820 (or 7816 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1222301112 is about 34961.4231975759. The cubic root of 1222301112 is about 1069.2011132919.

Adding to 1222301112 its reverse (2111032221), we get a palindrome (3333333333).

The spelling of 1222301112 in words is "one billion, two hundred twenty-two million, three hundred one thousand, one hundred twelve".