2223144221531 has 2 divisors, whose sum is σ = 2223144221532. Its totient is φ = 2223144221530.

The previous prime is 2223144221527. The next prime is 2223144221581. The reversal of 2223144221531 is 1351224413222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2223144221531 - 2² = 2223144221527 is a prime.

It is a super-2 number, since 2×2223144221531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2223144221581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111572110765 + 1111572110766.

It is an arithmetic number, because the mean of its divisors is an integer number (1111572110766).

Almost surely, 2^{2223144221531} is an apocalyptic number.

2223144221531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223144221531 is an equidigital number, since it uses as much as digits as its factorization.

2223144221531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

Adding to 2223144221531 its reverse (1351224413222), we get a palindrome (3574368634753).

The spelling of 2223144221531 in words is "two trillion, two hundred twenty-three billion, one hundred forty-four million, two hundred twenty-one thousand, five hundred thirty-one".