131622223 has 2 divisors, whose sum is σ = 131622224. Its totient is φ = 131622222.

The previous prime is 131622217. The next prime is 131622233. The reversal of 131622223 is 322226131.

It is a weak prime.

It is an emirp because it is prime and its reverse (322226131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131622223 - 2¹³ = 131614031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131622194 and 131622203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131622203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65811111 + 65811112.

It is an arithmetic number, because the mean of its divisors is an integer number (65811112).

Almost surely, 2^131622223 is an apocalyptic number.

131622223 is a deficient number, since it is larger than the sum of its proper divisors (1).

131622223 is an equidigital number, since it uses as much as digits as its factorization.

131622223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 131622223 is about 11472.6728794994. The cubic root of 131622223 is about 508.6781390693.

Adding to 131622223 its reverse (322226131), we get a palindrome (453848354).

The spelling of 131622223 in words is "one hundred thirty-one million, six hundred twenty-two thousand, two hundred twenty-three".