2122423331 has 4 divisors (see below), whose sum is σ = 2425626672. Its totient is φ = 1819219992.

The previous prime is 2122423301. The next prime is 2122423333. The reversal of 2122423331 is 1333242212.

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 2122423331 - 2²² = 2118229027 is a prime.

It is a super-2 number, since 2×2122423331² = 9009361591946271122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122423297 and 2122423306.

It is not an unprimeable number, because it can be changed into a prime (2122423333) 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, 151601660 + ... + 151601673.

It is an arithmetic number, because the mean of its divisors is an integer number (606406668).

Almost surely, 2^2122423331 is an apocalyptic number.

2122423331 is a deficient number, since it is larger than the sum of its proper divisors (303203341).

2122423331 is an equidigital number, since it uses as much as digits as its factorization.

2122423331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303203340.

The product of its digits is 1728, while the sum is 23.

The square root of 2122423331 is about 46069.7659099761. The cubic root of 2122423331 is about 1285.1209505273.

Adding to 2122423331 its reverse (1333242212), we get a palindrome (3455665543).

The spelling of 2122423331 in words is "two billion, one hundred twenty-two million, four hundred twenty-three thousand, three hundred thirty-one".