221422047311430 has 384 divisors, whose sum is σ = 698544676684800. Its totient is φ = 49752899868672.

The previous prime is 221422047311351. The next prime is 221422047311461. The reversal of 221422047311430 is 34113740224122.

221422047311430 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 2 + 204 + 7 + 3 + 11 + 430 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 431425206 + ... + 431938134.

It is an arithmetic number, because the mean of its divisors is an integer number (1819126762200).

Almost surely, 2^{221422047311430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221422047311430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349272338342400).

221422047311430 is an abundant number, since it is smaller than the sum of its proper divisors (477122629373370).

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

221422047311430 is a wasteful number, since it uses less digits than its factorization.

221422047311430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513513 (or 513500 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 221422047311430 its reverse (34113740224122), we get a palindrome (255535787535552).

The spelling of 221422047311430 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, three hundred eleven thousand, four hundred thirty".