34311222 has 64 divisors (see below), whose sum is σ = 85017600. Its totient is φ = 10167840.

The previous prime is 34311163. The next prime is 34311223. The reversal of 34311222 is 22211343.

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 = 34311195 and 34311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34311223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27304 + ... + 28532.

It is an arithmetic number, because the mean of its divisors is an integer number (1328400).

Almost surely, 2^34311222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34311222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42508800).

34311222 is an abundant number, since it is smaller than the sum of its proper divisors (50706378).

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

34311222 is a wasteful number, since it uses less digits than its factorization.

34311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1292 counting only the distinct ones).

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

The square root of 34311222 is about 5857.5781684925. The cubic root of 34311222 is about 324.9466484416.

Adding to 34311222 its reverse (22211343), we get a palindrome (56522565).

The spelling of 34311222 in words is "thirty-four million, three hundred eleven thousand, two hundred twenty-two".