34220142 has 24 divisors (see below), whose sum is σ = 80884440. Its totient is φ = 10369680.

The previous prime is 34220071. The next prime is 34220161. The reversal of 34220142 is 24102243.

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 11 ways as a sum of consecutive naturals, for example, 86217 + ... + 86612.

It is an arithmetic number, because the mean of its divisors is an integer number (3370185).

Almost surely, 2^34220142 is an apocalyptic number.

34220142 is an abundant number, since it is smaller than the sum of its proper divisors (46664298).

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

34220142 is a wasteful number, since it uses less digits than its factorization.

34220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172848 (or 172845 counting only the distinct ones).

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

The square root of 34220142 is about 5849.7984580667. The cubic root of 34220142 is about 324.6588673056.

Adding to 34220142 its reverse (24102243), we get a palindrome (58322385).

It can be divided in two parts, 342201 and 42, that added together give a palindrome (342243).

The spelling of 34220142 in words is "thirty-four million, two hundred twenty thousand, one hundred forty-two".