1222230131 has 8 divisors (see below), whose sum is σ = 1261603728. Its totient is φ = 1183312000.

The previous prime is 1222230127. The next prime is 1222230179. The reversal of 1222230131 is 1310322221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222230131 - 2² = 1222230127 is a prime.

It is a super-2 number, since 2×1222230131² = 2987692986248554322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222230431) 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, 108410 + ... + 119151.

It is an arithmetic number, because the mean of its divisors is an integer number (157700466).

Almost surely, 2^1222230131 is an apocalyptic number.

1222230131 is a deficient number, since it is larger than the sum of its proper divisors (39373597).

1222230131 is a wasteful number, since it uses less digits than its factorization.

1222230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227733.

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

The square root of 1222230131 is about 34960.4080496781. The cubic root of 1222230131 is about 1069.1804161460.

Adding to 1222230131 its reverse (1310322221), we get a palindrome (2532552352).

The spelling of 1222230131 in words is "one billion, two hundred twenty-two million, two hundred thirty thousand, one hundred thirty-one".