30442242 has 16 divisors (see below), whose sum is σ = 61619040. Its totient is φ = 10024992.

The previous prime is 30442219. The next prime is 30442259. The reversal of 30442242 is 24224403.

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, 30067 + ... + 31062.

It is an arithmetic number, because the mean of its divisors is an integer number (3851190).

Almost surely, 2^30442242 is an apocalyptic number.

30442242 is an abundant number, since it is smaller than the sum of its proper divisors (31176798).

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

30442242 is a wasteful number, since it uses less digits than its factorization.

30442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61217.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 30442242 is about 5517.4488670037. The cubic root of 30442242 is about 312.2426408035.

Adding to 30442242 its reverse (24224403), we get a palindrome (54666645).

The spelling of 30442242 in words is "thirty million, four hundred forty-two thousand, two hundred forty-two".