22342243636 has 24 divisors (see below), whose sum is σ = 39705974280. Its totient is φ = 10998231552.

The previous prime is 22342243549. The next prime is 22342243643. The reversal of 22342243636 is 63634224322.

It can be written as a sum of positive squares in 4 ways, for example, as 51753636 + 22290490000 = 7194^2 + 149300^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22342243595 and 22342243604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93960 + ... + 231328.

It is an arithmetic number, because the mean of its divisors is an integer number (1654415595).

Almost surely, 2^22342243636 is an apocalyptic number.

It is an amenable number.

22342243636 is a deficient number, since it is larger than the sum of its proper divisors (17363730644).

22342243636 is a wasteful number, since it uses less digits than its factorization.

22342243636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138003 (or 138001 counting only the distinct ones).

The product of its digits is 248832, while the sum is 37.

Adding to 22342243636 its reverse (63634224322), we get a palindrome (85976467958).

The spelling of 22342243636 in words is "twenty-two billion, three hundred forty-two million, two hundred forty-three thousand, six hundred thirty-six".