222104131 has 4 divisors (see below), whose sum is σ = 222407872. Its totient is φ = 221800392.

The previous prime is 222104083. The next prime is 222104137. The reversal of 222104131 is 131401222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222104131 is a prime.

It is a super-2 number, since 2×222104131² = 98660490014530322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222104137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150771 + ... + 152236.

It is an arithmetic number, because the mean of its divisors is an integer number (55601968).

Almost surely, 2^222104131 is an apocalyptic number.

222104131 is a deficient number, since it is larger than the sum of its proper divisors (303741).

222104131 is an equidigital number, since it uses as much as digits as its factorization.

222104131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303740.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 222104131 is about 14903.1584236362. The cubic root of 222104131 is about 605.5995522704.

Adding to 222104131 its reverse (131401222), we get a palindrome (353505353).

The spelling of 222104131 in words is "two hundred twenty-two million, one hundred four thousand, one hundred thirty-one".