30302040222 has 24 divisors (see below), whose sum is σ = 68086066776. Its totient is φ = 10100679912.

The previous prime is 30302040179. The next prime is 30302040227. The reversal of 30302040222 is 22204020303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30302040195 and 30302040204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302040227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31174453 + ... + 31175424.

It is an arithmetic number, because the mean of its divisors is an integer number (2836919449).

Almost surely, 2^30302040222 is an apocalyptic number.

30302040222 is an abundant number, since it is smaller than the sum of its proper divisors (37784026554).

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

30302040222 is an equidigital number, since it uses as much as digits as its factorization.

30302040222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62349894 (or 62349882 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30302040222 its reverse (22204020303), we get a palindrome (52506060525).

The spelling of 30302040222 in words is "thirty billion, three hundred two million, forty thousand, two hundred twenty-two".