30222422 has 4 divisors (see below), whose sum is σ = 45333636. Its totient is φ = 15111210.

The previous prime is 30222397. The next prime is 30222431. The reversal of 30222422 is 22422203.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30222422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555604 + ... + 7555607.

It is an arithmetic number, because the mean of its divisors is an integer number (11333409).

Almost surely, 2^30222422 is an apocalyptic number.

30222422 is a deficient number, since it is larger than the sum of its proper divisors (15111214).

30222422 is a wasteful number, since it uses less digits than its factorization.

30222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15111213.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 30222422 is about 5497.4923374208. The cubic root of 30222422 is about 311.4892682326.

Adding to 30222422 its reverse (22422203), we get a palindrome (52644625).

The spelling of 30222422 in words is "thirty million, two hundred twenty-two thousand, four hundred twenty-two".