42233421 has 8 divisors (see below), whose sum is σ = 57373920. Its totient is φ = 27624272.

The previous prime is 42233419. The next prime is 42233449. The reversal of 42233421 is 12433224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42233421 - 2¹ = 42233419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132651 + ... + 132968.

It is an arithmetic number, because the mean of its divisors is an integer number (7171740).

Almost surely, 2^42233421 is an apocalyptic number.

It is an amenable number.

42233421 is a deficient number, since it is larger than the sum of its proper divisors (15140499).

42233421 is a wasteful number, since it uses less digits than its factorization.

42233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265675.

The product of its digits is 1152, while the sum is 21.

The square root of 42233421 is about 6498.7245671747. The cubic root of 42233421 is about 348.2454256979.

Adding to 42233421 its reverse (12433224), we get a palindrome (54666645).

The spelling of 42233421 in words is "forty-two million, two hundred thirty-three thousand, four hundred twenty-one".