221014223144431 has 8 divisors (see below), whose sum is σ = 224929601706240. Its totient is φ = 217104490408728.

The previous prime is 221014223144389. The next prime is 221014223144467. The reversal of 221014223144431 is 134441322410122.

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 221014223144431 - 2¹⁷ = 221014223013359 is a prime.

It is a super-2 number, since 2×221014223144431² (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 (221014223144531) 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, 1411377541 + ... + 1411534126.

It is an arithmetic number, because the mean of its divisors is an integer number (28116200213280).

Almost surely, 2^{221014223144431} is an apocalyptic number.

221014223144431 is a deficient number, since it is larger than the sum of its proper divisors (3915378561809).

221014223144431 is a wasteful number, since it uses less digits than its factorization.

221014223144431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822913053.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 221014223144431 its reverse (134441322410122), we get a palindrome (355455545554553).

The spelling of 221014223144431 in words is "two hundred twenty-one trillion, fourteen billion, two hundred twenty-three million, one hundred forty-four thousand, four hundred thirty-one".