122213310 has 64 divisors (see below), whose sum is σ = 302227200. Its totient is φ = 31610880.

The previous prime is 122213309. The next prime is 122213321. The reversal of 122213310 is 13312221.

It is a super-2 number, since 2×122213310² = 29872186282312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122213310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271966 + ... + 272414.

It is an arithmetic number, because the mean of its divisors is an integer number (4722300).

Almost surely, 2^122213310 is an apocalyptic number.

122213310 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 122213310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151113600).

122213310 is an abundant number, since it is smaller than the sum of its proper divisors (180013890).

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

122213310 is a wasteful number, since it uses less digits than its factorization.

122213310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122213310 is about 11055.0128900875. The cubic root of 122213310 is about 496.2564550254.

Adding to 122213310 its reverse (13312221), we get a palindrome (135525531).

The spelling of 122213310 in words is "one hundred twenty-two million, two hundred thirteen thousand, three hundred ten".