131617622 has 4 divisors (see below), whose sum is σ = 197426436. Its totient is φ = 65808810.

The previous prime is 131617559. The next prime is 131617627. The reversal of 131617622 is 226716131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131617627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32904404 + ... + 32904407.

It is an arithmetic number, because the mean of its divisors is an integer number (49356609).

Almost surely, 2^131617622 is an apocalyptic number.

131617622 is a deficient number, since it is larger than the sum of its proper divisors (65808814).

131617622 is an equidigital number, since it uses as much as digits as its factorization.

131617622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65808813.

The product of its digits is 3024, while the sum is 29.

The square root of 131617622 is about 11472.4723577789. The cubic root of 131617622 is about 508.6722118650.

The spelling of 131617622 in words is "one hundred thirty-one million, six hundred seventeen thousand, six hundred twenty-two".