30222222132 has 12 divisors (see below), whose sum is σ = 70518518336. Its totient is φ = 10074074040.

The previous prime is 30222222091. The next prime is 30222222133. The reversal of 30222222132 is 23122222203.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30222222099 and 30222222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222222133) 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, 1259259244 + ... + 1259259267.

Almost surely, 2^30222222132 is an apocalyptic number.

It is an amenable number.

30222222132 is an abundant number, since it is smaller than the sum of its proper divisors (40296296204).

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

30222222132 is a wasteful number, since it uses less digits than its factorization.

30222222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518518518 (or 2518518516 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30222222132 its reverse (23122222203), we get a palindrome (53344444335).

The spelling of 30222222132 in words is "thirty billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty-two".