131124222 has 24 divisors (see below), whose sum is σ = 284394240. Its totient is φ = 43663200.

The previous prime is 131124211. The next prime is 131124229. The reversal of 131124222 is 222421131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131124195 and 131124204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131124229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17554 + ... + 23882.

It is an arithmetic number, because the mean of its divisors is an integer number (11849760).

Almost surely, 2^131124222 is an apocalyptic number.

131124222 is an abundant number, since it is smaller than the sum of its proper divisors (153270018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131124222 is a wasteful number, since it uses less digits than its factorization.

131124222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488 (or 7485 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 131124222 is about 11450.9485196642. The cubic root of 131124222 is about 508.0357896334.

Adding to 131124222 its reverse (222421131), we get a palindrome (353545353).

The spelling of 131124222 in words is "one hundred thirty-one million, one hundred twenty-four thousand, two hundred twenty-two".