30333342 has 32 divisors (see below), whose sum is σ = 65776032. Its totient is φ = 9270144.

The previous prime is 30333337. The next prime is 30333421. The reversal of 30333342 is 24333303.

It is a super-2 number, since 2×30333342² = 1840223273777928, which contains 22 as substring.

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, 11008 + ... + 13484.

It is an arithmetic number, because the mean of its divisors is an integer number (2055501).

Almost surely, 2^30333342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30333342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32888016).

30333342 is an abundant number, since it is smaller than the sum of its proper divisors (35442690).

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

30333342 is a wasteful number, since it uses less digits than its factorization.

30333342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 1944, while the sum is 21.

The square root of 30333342 is about 5507.5713340818. The cubic root of 30333342 is about 311.8698709470.

Adding to 30333342 its reverse (24333303), we get a palindrome (54666645).

The spelling of 30333342 in words is "thirty million, three hundred thirty-three thousand, three hundred forty-two".