2131255222 has 8 divisors (see below), whose sum is σ = 3203395272. Its totient is φ = 1063456800.

The previous prime is 2131255183. The next prime is 2131255249. The reversal of 2131255222 is 2225521312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084179 + ... + 1086142.

It is an arithmetic number, because the mean of its divisors is an integer number (400424409).

Almost surely, 2^2131255222 is an apocalyptic number.

2131255222 is a deficient number, since it is larger than the sum of its proper divisors (1072140050).

2131255222 is a wasteful number, since it uses less digits than its factorization.

2131255222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170814.

The product of its digits is 2400, while the sum is 25.

The square root of 2131255222 is about 46165.5198389447. The cubic root of 2131255222 is about 1286.9010448343.

Adding to 2131255222 its reverse (2225521312), we get a palindrome (4356776534).

The spelling of 2131255222 in words is "two billion, one hundred thirty-one million, two hundred fifty-five thousand, two hundred twenty-two".