122222200231 has 4 divisors (see below), whose sum is σ = 122467135000. Its totient is φ = 121977265464.

The previous prime is 122222200223. The next prime is 122222200271. The reversal of 122222200231 is 132002222221.

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 122222200231 - 2³ = 122222200223 is a prime.

It is a super-2 number, since 2×122222200231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122222200199 and 122222200208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222200211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122466636 + ... + 122467633.

It is an arithmetic number, because the mean of its divisors is an integer number (30616783750).

Almost surely, 2^122222200231 is an apocalyptic number.

122222200231 is a deficient number, since it is larger than the sum of its proper divisors (244934769).

122222200231 is an equidigital number, since it uses as much as digits as its factorization.

122222200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244934768.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 122222200231 its reverse (132002222221), we get a palindrome (254224422452).

The spelling of 122222200231 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred thousand, two hundred thirty-one".