22201023434231 has 8 divisors (see below), whose sum is σ = 22227163973664. Its totient is φ = 22174897944960.

The previous prime is 22201023434221. The next prime is 22201023434237. The reversal of 22201023434231 is 13243432010222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201023434231 is a prime.

It is a super-2 number, since 2×22201023434231² (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 = 22201023434194 and 22201023434203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201023434237) 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, 809171 + ... + 6712436.

It is an arithmetic number, because the mean of its divisors is an integer number (2778395496708).

Almost surely, 2^{22201023434231} is an apocalyptic number.

22201023434231 is a deficient number, since it is larger than the sum of its proper divisors (26140539433).

22201023434231 is a wasteful number, since it uses less digits than its factorization.

22201023434231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525081.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 22201023434231 its reverse (13243432010222), we get a palindrome (35444455444453).

The spelling of 22201023434231 in words is "twenty-two trillion, two hundred one billion, twenty-three million, four hundred thirty-four thousand, two hundred thirty-one".