30222213292 has 12 divisors (see below), whose sum is σ = 52944728760. Its totient is φ = 15095147936.

The previous prime is 30222213271. The next prime is 30222213299. The reversal of 30222213292 is 29231222203.

It is a self number, because there is not a number n which added to its sum of digits gives 30222213292.

It is not an unprimeable number, because it can be changed into a prime (30222213299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3985417 + ... + 3992992.

It is an arithmetic number, because the mean of its divisors is an integer number (4412060730).

Almost surely, 2^30222213292 is an apocalyptic number.

It is an amenable number.

30222213292 is a deficient number, since it is larger than the sum of its proper divisors (22722515468).

30222213292 is a wasteful number, since it uses less digits than its factorization.

30222213292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979360 (or 7979358 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 30222213292 its reverse (29231222203), we get a palindrome (59453435495).

The spelling of 30222213292 in words is "thirty billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred ninety-two".