30220242 has 24 divisors (see below), whose sum is σ = 65449584. Its totient is φ = 9298224.

The previous prime is 30220219. The next prime is 30220273. The reversal of 30220242 is 24202203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13888 + ... + 15915.

It is an arithmetic number, because the mean of its divisors is an integer number (2727066).

Almost surely, 2^30220242 is an apocalyptic number.

30220242 is an abundant number, since it is smaller than the sum of its proper divisors (35229342).

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

30220242 is a wasteful number, since it uses less digits than its factorization.

30220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29834 (or 29821 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 30220242 is about 5497.2940616270. The cubic root of 30220242 is about 311.4817786174.

Adding to 30220242 its reverse (24202203), we get a palindrome (54422445).

The spelling of 30220242 in words is "thirty million, two hundred twenty thousand, two hundred forty-two".