221422047311431 has 8 divisors (see below), whose sum is σ = 229586291005680. Its totient is φ = 213293070329472.

The previous prime is 221422047311351. The next prime is 221422047311461. The reversal of 221422047311431 is 134113740224122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221422047311431 - 2¹³ = 221422047303239 is a prime.

It is a super-2 number, since 2×221422047311431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422047311461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8816665285 + ... + 8816690398.

It is an arithmetic number, because the mean of its divisors is an integer number (28698286375710).

Almost surely, 2^{221422047311431} is an apocalyptic number.

221422047311431 is a deficient number, since it is larger than the sum of its proper divisors (8164243694249).

221422047311431 is a wasteful number, since it uses less digits than its factorization.

221422047311431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17633356145.

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 221422047311431 its reverse (134113740224122), we get a palindrome (355535787535553).

The spelling of 221422047311431 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, three hundred eleven thousand, four hundred thirty-one".