30222120425 has 48 divisors (see below), whose sum is σ = 43123608960. Its totient is φ = 20581724160.

The previous prime is 30222120419. The next prime is 30222120437. The reversal of 30222120425 is 52402122203.

It is not a de Polignac number, because 30222120425 - 2²⁰ = 30221071849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30222120425.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23122622 + ... + 23123928.

It is an arithmetic number, because the mean of its divisors is an integer number (898408520).

Almost surely, 2^30222120425 is an apocalyptic number.

30222120425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30222120425 is a deficient number, since it is larger than the sum of its proper divisors (12901488535).

30222120425 is a wasteful number, since it uses less digits than its factorization.

30222120425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2125 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 30222120425 its reverse (52402122203), we get a palindrome (82624242628).

The spelling of 30222120425 in words is "thirty billion, two hundred twenty-two million, one hundred twenty thousand, four hundred twenty-five".