33230442 has 16 divisors (see below), whose sum is σ = 75955392. Its totient is φ = 9494400.

The previous prime is 33230441. The next prime is 33230489. The reversal of 33230442 is 24403233.

It is a super-2 number, since 2×33230442² = 2208524551030728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (33230441) 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, 395559 + ... + 395642.

It is an arithmetic number, because the mean of its divisors is an integer number (4747212).

Almost surely, 2^33230442 is an apocalyptic number.

33230442 is an abundant number, since it is smaller than the sum of its proper divisors (42724950).

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

33230442 is a wasteful number, since it uses less digits than its factorization.

33230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791213.

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

The square root of 33230442 is about 5764.5851541980. The cubic root of 33230442 is about 321.4983186069.

Adding to 33230442 its reverse (24403233), we get a palindrome (57633675).

The spelling of 33230442 in words is "thirty-three million, two hundred thirty thousand, four hundred forty-two".