122313222 has 48 divisors (see below), whose sum is σ = 281801520. Its totient is φ = 38232000.

The previous prime is 122313211. The next prime is 122313227. The reversal of 122313222 is 222313221.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 122313195 and 122313204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122313227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32772 + ... + 36312.

It is an arithmetic number, because the mean of its divisors is an integer number (5870865).

Almost surely, 2^122313222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122313222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140900760).

122313222 is an abundant number, since it is smaller than the sum of its proper divisors (159488298).

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

122313222 is a wasteful number, since it uses less digits than its factorization.

122313222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669 (or 3666 counting only the distinct ones).

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

The square root of 122313222 is about 11059.5308218749. The cubic root of 122313222 is about 496.3916516190.

Adding to 122313222 its reverse (222313221), we get a palindrome (344626443).

Subtracting 122313222 from its reverse (222313221), we obtain a palindrome (99999999).

The spelling of 122313222 in words is "one hundred twenty-two million, three hundred thirteen thousand, two hundred twenty-two".