34218522 has 48 divisors (see below), whose sum is σ = 80294760. Its totient is φ = 10469376.

The previous prime is 34218517. The next prime is 34218529. The reversal of 34218522 is 22581243.

It can be written as a sum of positive squares in 4 ways, for example, as 27973521 + 6245001 = 5289^2 + 2499^2 .

It is not an unprimeable number, because it can be changed into a prime (34218529) 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, 59854 + ... + 60422.

Almost surely, 2^34218522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34218522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40147380).

34218522 is an abundant number, since it is smaller than the sum of its proper divisors (46076238).

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

34218522 is a wasteful number, since it uses less digits than its factorization.

34218522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 844 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 34218522 is about 5849.6599901191. The cubic root of 34218522 is about 324.6537440494.

Adding to 34218522 its reverse (22581243), we get a palindrome (56799765).

The spelling of 34218522 in words is "thirty-four million, two hundred eighteen thousand, five hundred twenty-two".