30222282 has 16 divisors (see below), whose sum is σ = 60554592. Its totient is φ = 10055760.

The previous prime is 30222271. The next prime is 30222287. The reversal of 30222282 is 28222203.

It is not an unprimeable number, because it can be changed into a prime (30222287) 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, 769 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (3784662).

Almost surely, 2^30222282 is an apocalyptic number.

30222282 is an abundant number, since it is smaller than the sum of its proper divisors (30332310).

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

30222282 is a wasteful number, since it uses less digits than its factorization.

30222282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9173.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 30222282 is about 5497.4796043278. The cubic root of 30222282 is about 311.4887872589.

Adding to 30222282 its reverse (28222203), we get a palindrome (58444485).

The spelling of 30222282 in words is "thirty million, two hundred twenty-two thousand, two hundred eighty-two".