131244622 has 4 divisors (see below), whose sum is σ = 196866936. Its totient is φ = 65622310.

The previous prime is 131244613. The next prime is 131244629. The reversal of 131244622 is 226442131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226442131 = 73 ⋅3101947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131244629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32811154 + ... + 32811157.

It is an arithmetic number, because the mean of its divisors is an integer number (49216734).

Almost surely, 2^131244622 is an apocalyptic number.

131244622 is a deficient number, since it is larger than the sum of its proper divisors (65622314).

131244622 is an equidigital number, since it uses as much as digits as its factorization.

131244622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65622313.

The product of its digits is 2304, while the sum is 25.

The square root of 131244622 is about 11456.2045198224. The cubic root of 131244622 is about 508.1912371322.

Adding to 131244622 its reverse (226442131), we get a palindrome (357686753).

The spelling of 131244622 in words is "one hundred thirty-one million, two hundred forty-four thousand, six hundred twenty-two".