2231223011 has 4 divisors (see below), whose sum is σ = 2231970000. Its totient is φ = 2230476024.

The previous prime is 2231222971. The next prime is 2231223053. The reversal of 2231223011 is 1103221322.

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

It is a cyclic number.

It is not a de Polignac number, because 2231223011 - 2²² = 2227028707 is a prime.

It is a super-3 number, since 3×2231223011³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231223091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368996 + ... + 374993.

It is an arithmetic number, because the mean of its divisors is an integer number (557992500).

Almost surely, 2^2231223011 is an apocalyptic number.

2231223011 is a deficient number, since it is larger than the sum of its proper divisors (746989).

2231223011 is an equidigital number, since it uses as much as digits as its factorization.

2231223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746988.

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

The square root of 2231223011 is about 47235.8233864934. The cubic root of 2231223011 is about 1306.7153518653.

Adding to 2231223011 its reverse (1103221322), we get a palindrome (3334444333).

The spelling of 2231223011 in words is "two billion, two hundred thirty-one million, two hundred twenty-three thousand, eleven".