34224140 has 12 divisors (see below), whose sum is σ = 71870736. Its totient is φ = 13689648.

The previous prime is 34224133. The next prime is 34224191. The reversal of 34224140 is 4142243.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1711207 = 34224140 / (3 + 4 + 2 + 2 + 4 + 1 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855584 + ... + 855623.

It is an arithmetic number, because the mean of its divisors is an integer number (5989228).

Almost surely, 2^34224140 is an apocalyptic number.

It is an amenable number.

34224140 is an abundant number, since it is smaller than the sum of its proper divisors (37646596).

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

34224140 is a wasteful number, since it uses less digits than its factorization.

34224140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711216 (or 1711214 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 34224140 is about 5850.1401692609. The cubic root of 34224140 is about 324.6715103041.

Adding to 34224140 its reverse (4142243), we get a palindrome (38366383).

The spelling of 34224140 in words is "thirty-four million, two hundred twenty-four thousand, one hundred forty".