153131222 has 16 divisors (see below), whose sum is σ = 242127600. Its totient is φ = 72433440.

The previous prime is 153131221. The next prime is 153131239. The reversal of 153131222 is 222131351.

153131222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 153131194 and 153131203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153131221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29072 + ... + 33932.

It is an arithmetic number, because the mean of its divisors is an integer number (15132975).

Almost surely, 2^153131222 is an apocalyptic number.

153131222 is a deficient number, since it is larger than the sum of its proper divisors (88996378).

153131222 is a wasteful number, since it uses less digits than its factorization.

153131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711.

The product of its digits is 360, while the sum is 20.

The square root of 153131222 is about 12374.6200749760. The cubic root of 153131222 is about 535.0009864017. Note that the first 3 decimals are identical.

Adding to 153131222 its reverse (222131351), we get a palindrome (375262573).

The spelling of 153131222 in words is "one hundred fifty-three million, one hundred thirty-one thousand, two hundred twenty-two".