34222140 has 72 divisors (see below), whose sum is σ = 107173248. Its totient is φ = 8830080.

The previous prime is 34222121. The next prime is 34222169. The reversal of 34222140 is 4122243.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2514 + ... + 8646.

Almost surely, 2^34222140 is an apocalyptic number.

34222140 is a gapful number since it is divisible by the number (30) 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 34222140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53586624).

34222140 is an abundant number, since it is smaller than the sum of its proper divisors (72951108).

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

34222140 is a wasteful number, since it uses less digits than its factorization.

34222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179 (or 6174 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 34222140 is about 5849.9692306883. The cubic root of 34222140 is about 324.6651857656.

Adding to 34222140 its reverse (4122243), we get a palindrome (38344383).

The spelling of 34222140 in words is "thirty-four million, two hundred twenty-two thousand, one hundred forty".