22102006552231 has 4 divisors (see below), whose sum is σ = 23265270055000. Its totient is φ = 20938743049464.

The previous prime is 22102006552229. The next prime is 22102006552261. The reversal of 22102006552231 is 13225560020122.

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 22102006552231 - 2¹ = 22102006552229 is a prime.

It is a super-2 number, since 2×22102006552231² (a number of 27 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 = 22102006552193 and 22102006552202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102006552261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581631751356 + ... + 581631751393.

It is an arithmetic number, because the mean of its divisors is an integer number (5816317513750).

Almost surely, 2^{22102006552231} is an apocalyptic number.

22102006552231 is a deficient number, since it is larger than the sum of its proper divisors (1163263502769).

22102006552231 is a wasteful number, since it uses less digits than its factorization.

22102006552231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163263502768.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 22102006552231 its reverse (13225560020122), we get a palindrome (35327566572353).

The spelling of 22102006552231 in words is "twenty-two trillion, one hundred two billion, six million, five hundred fifty-two thousand, two hundred thirty-one".