22634525642231 has 4 divisors (see below), whose sum is σ = 22671449828232. Its totient is φ = 22597601456232.

The previous prime is 22634525642221. The next prime is 22634525642251. The reversal of 22634525642231 is 13224652543622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22634525642231 is a prime.

It is a super-2 number, since 2×22634525642231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22634525642221) 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, 18462092081 + ... + 18462093306.

It is an arithmetic number, because the mean of its divisors is an integer number (5667862457058).

Almost surely, 2^{22634525642231} is an apocalyptic number.

22634525642231 is a deficient number, since it is larger than the sum of its proper divisors (36924186001).

22634525642231 is an equidigital number, since it uses as much as digits as its factorization.

22634525642231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36924186000.

The product of its digits is 4147200, while the sum is 47.

The spelling of 22634525642231 in words is "twenty-two trillion, six hundred thirty-four billion, five hundred twenty-five million, six hundred forty-two thousand, two hundred thirty-one".