42233430 has 32 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 11234912.

The previous prime is 42233419. The next prime is 42233449. The reversal of 42233430 is 3433224.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42233397 and 42233406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12901 + ... + 15839.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^42233430 is an apocalyptic number.

42233430 is an abundant number, since it is smaller than the sum of its proper divisors (59372970).

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

42233430 is a wasteful number, since it uses less digits than its factorization.

42233430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 42233430 is about 6498.7252596182. The cubic root of 42233430 is about 348.2454504351.

Adding to 42233430 its reverse (3433224), we get a palindrome (45666654).

The spelling of 42233430 in words is "forty-two million, two hundred thirty-three thousand, four hundred thirty".