663222304131 has 4 divisors (see below), whose sum is σ = 884296405512. Its totient is φ = 442148202752.

The previous prime is 663222304127. The next prime is 663222304133. The reversal of 663222304131 is 131403222366.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 663222304131 - 2² = 663222304127 is a prime.

It is a super-2 number, since 2×663222304131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 663222304092 and 663222304101.

It is not an unprimeable number, because it can be changed into a prime (663222304133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110537050686 + ... + 110537050691.

It is an arithmetic number, because the mean of its divisors is an integer number (221074101378).

Almost surely, 2^663222304131 is an apocalyptic number.

663222304131 is a deficient number, since it is larger than the sum of its proper divisors (221074101381).

663222304131 is a wasteful number, since it uses less digits than its factorization.

663222304131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221074101380.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 663222304131 its reverse (131403222366), we get a palindrome (794625526497).

The spelling of 663222304131 in words is "six hundred sixty-three billion, two hundred twenty-two million, three hundred four thousand, one hundred thirty-one".