221422047311402 has 128 divisors (see below), whose sum is σ = 414936423014400. Its totient is φ = 86464938067200.

The previous prime is 221422047311351. The next prime is 221422047311461. The reversal of 221422047311402 is 204113740224122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5223305627 + ... + 5223348017.

It is an arithmetic number, because the mean of its divisors is an integer number (3241690804800).

Almost surely, 2^{221422047311402} is an apocalyptic number.

221422047311402 is a deficient number, since it is larger than the sum of its proper divisors (193514375702998).

221422047311402 is a wasteful number, since it uses less digits than its factorization.

221422047311402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45052.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 221422047311402 its reverse (204113740224122), we get a palindrome (425535787535524).

The spelling of 221422047311402 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, three hundred eleven thousand, four hundred two".