131217622 has 16 divisors (see below), whose sum is σ = 205636320. Its totient is φ = 62679232.

The previous prime is 131217601. The next prime is 131217661. The reversal of 131217622 is 226712131.

It is a happy number.

131217622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58188 + ... + 60400.

It is an arithmetic number, because the mean of its divisors is an integer number (12852270).

Almost surely, 2^131217622 is an apocalyptic number.

131217622 is a deficient number, since it is larger than the sum of its proper divisors (74418698).

131217622 is a wasteful number, since it uses less digits than its factorization.

131217622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527.

The product of its digits is 1008, while the sum is 25.

The square root of 131217622 is about 11455.0260584601. The cubic root of 131217622 is about 508.1563859151.

Adding to 131217622 its reverse (226712131), we get a palindrome (357929753).

The spelling of 131217622 in words is "one hundred thirty-one million, two hundred seventeen thousand, six hundred twenty-two".