42234688 has 14 divisors (see below), whose sum is σ = 83809586. Its totient is φ = 21117312.

The previous prime is 42234677. The next prime is 42234691. The reversal of 42234688 is 88643224.

It can be written as a sum of positive squares in only one way, i.e., 23503104 + 18731584 = 4848^2 + 4328^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329895 + ... + 330022.

It is an arithmetic number, because the mean of its divisors is an integer number (5986399).

Almost surely, 2^42234688 is an apocalyptic number.

It is an amenable number.

42234688 is a deficient number, since it is larger than the sum of its proper divisors (41574898).

42234688 is an equidigital number, since it uses as much as digits as its factorization.

42234688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659929 (or 659919 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 42234688 is about 6498.8220471098. The cubic root of 42234688 is about 348.2489081101.

It can be divided in two parts, 4223 and 4688, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 42234688 in words is "forty-two million, two hundred thirty-four thousand, six hundred eighty-eight".