305412351222 has 32 divisors (see below), whose sum is σ = 666865808640. Its totient is φ = 92478143520.

The previous prime is 305412351221. The next prime is 305412351239. The reversal of 305412351222 is 222153214503.

It is a self number, because there is not a number n which added to its sum of digits gives 305412351222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305412351221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1689697 + ... + 1861692.

It is an arithmetic number, because the mean of its divisors is an integer number (20839556520).

Almost surely, 2^305412351222 is an apocalyptic number.

305412351222 is an abundant number, since it is smaller than the sum of its proper divisors (361453457418).

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

305412351222 is a wasteful number, since it uses less digits than its factorization.

305412351222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552708.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 305412351222 its reverse (222153214503), we get a palindrome (527565565725).

The spelling of 305412351222 in words is "three hundred five billion, four hundred twelve million, three hundred fifty-one thousand, two hundred twenty-two".