1230222131 has 8 divisors (see below), whose sum is σ = 1260202944. Its totient is φ = 1200303720.

The previous prime is 1230222113. The next prime is 1230222151. The reversal of 1230222131 is 1312220321.

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

It is not a de Polignac number, because 1230222131 - 2²² = 1226027827 is a prime.

It is a super-2 number, since 2×1230222131² = 3026892983204362322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230222101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25616 + ... + 55826.

It is an arithmetic number, because the mean of its divisors is an integer number (157525368).

Almost surely, 2^1230222131 is an apocalyptic number.

1230222131 is a deficient number, since it is larger than the sum of its proper divisors (29980813).

1230222131 is an equidigital number, since it uses as much as digits as its factorization.

1230222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31201.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1230222131 is about 35074.5225341700. The cubic root of 1230222131 is about 1071.5057645404.

Adding to 1230222131 its reverse (1312220321), we get a palindrome (2542442452).

The spelling of 1230222131 in words is "one billion, two hundred thirty million, two hundred twenty-two thousand, one hundred thirty-one".