22155130336331 has 8 divisors (see below), whose sum is σ = 22670690110464. Its totient is φ = 21639585297960.

The previous prime is 22155130336327. The next prime is 22155130336333. The reversal of 22155130336331 is 13363303155122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22155130336331 - 2² = 22155130336327 is a prime.

It is a super-2 number, since 2×22155130336331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22155130336333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612515 + ... + 6684716.

It is an arithmetic number, because the mean of its divisors is an integer number (2833836263808).

Almost surely, 2^{22155130336331} is an apocalyptic number.

22155130336331 is a deficient number, since it is larger than the sum of its proper divisors (515559774133).

22155130336331 is an equidigital number, since it uses as much as digits as its factorization.

22155130336331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367881.

The product of its (nonzero) digits is 145800, while the sum is 38.

The spelling of 22155130336331 in words is "twenty-two trillion, one hundred fifty-five billion, one hundred thirty million, three hundred thirty-six thousand, three hundred thirty-one".