22152334331 has 4 divisors (see below), whose sum is σ = 22153346064. Its totient is φ = 22151322600.

The previous prime is 22152334307. The next prime is 22152334397. The reversal of 22152334331 is 13343325122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13343325122 = 2 ⋅6671662561.

It is a cyclic number.

It is not a de Polignac number, because 22152334331 - 2²⁶ = 22085225467 is a prime.

It is a super-2 number, since 2×22152334331² (a number of 21 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 = 22152334294 and 22152334303.

It is not an unprimeable number, because it can be changed into a prime (22152334031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472280 + ... + 517061.

It is an arithmetic number, because the mean of its divisors is an integer number (5538336516).

Almost surely, 2^22152334331 is an apocalyptic number.

22152334331 is a deficient number, since it is larger than the sum of its proper divisors (1011733).

22152334331 is an equidigital number, since it uses as much as digits as its factorization.

22152334331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011732.

The product of its digits is 12960, while the sum is 29.

Adding to 22152334331 its reverse (13343325122), we get a palindrome (35495659453).

The spelling of 22152334331 in words is "twenty-two billion, one hundred fifty-two million, three hundred thirty-four thousand, three hundred thirty-one".