234220142 has 24 divisors (see below), whose sum is σ = 381721896. Its totient is φ = 107736096.

The previous prime is 234220127. The next prime is 234220157. The reversal of 234220142 is 241022432.

It is an interprime number because it is at equal distance from previous prime (234220127) and next prime (234220157).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116288 + ... + 118284.

It is an arithmetic number, because the mean of its divisors is an integer number (15905079).

Almost surely, 2^234220142 is an apocalyptic number.

234220142 is a deficient number, since it is larger than the sum of its proper divisors (147501754).

234220142 is a wasteful number, since it uses less digits than its factorization.

234220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2359 counting only the distinct ones).

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

The square root of 234220142 is about 15304.2524155870. The cubic root of 234220142 is about 616.4171974933.

Adding to 234220142 its reverse (241022432), we get a palindrome (475242574).

The spelling of 234220142 in words is "two hundred thirty-four million, two hundred twenty thousand, one hundred forty-two".