42233820 has 24 divisors (see below), whose sum is σ = 118254864. Its totient is φ = 11262336.

The previous prime is 42233809. The next prime is 42233833. The reversal of 42233820 is 2833224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351889 + ... + 352008.

It is an arithmetic number, because the mean of its divisors is an integer number (4927286).

Almost surely, 2^42233820 is an apocalyptic number.

It is an amenable number.

42233820 is an abundant number, since it is smaller than the sum of its proper divisors (76021044).

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

42233820 is a wasteful number, since it uses less digits than its factorization.

42233820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703909 (or 703907 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42233820 is about 6498.7552654335. The cubic root of 42233820 is about 348.2465223767.

The spelling of 42233820 in words is "forty-two million, two hundred thirty-three thousand, eight hundred twenty".