30222134 has 4 divisors (see below), whose sum is σ = 45333204. Its totient is φ = 15111066.

The previous prime is 30222133. The next prime is 30222149. The reversal of 30222134 is 43122203.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555532 + ... + 7555535.

It is an arithmetic number, because the mean of its divisors is an integer number (11333301).

Almost surely, 2^30222134 is an apocalyptic number.

30222134 is a deficient number, since it is larger than the sum of its proper divisors (15111070).

30222134 is a wasteful number, since it uses less digits than its factorization.

30222134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15111069.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30222134 is about 5497.4661435974. The cubic root of 30222134 is about 311.4882787995.

Adding to 30222134 its reverse (43122203), we get a palindrome (73344337).

The spelling of 30222134 in words is "thirty million, two hundred twenty-two thousand, one hundred thirty-four".