22543403132 has 12 divisors (see below), whose sum is σ = 39452008176. Its totient is φ = 11271400800.

The previous prime is 22543403117. The next prime is 22543403147. The reversal of 22543403132 is 23130434522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22543403117) and next prime (22543403147).

It is a junction number, because it is equal to n+sod(n) for n = 22543403095 and 22543403104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244088 + ... + 323520.

It is an arithmetic number, because the mean of its divisors is an integer number (3287667348).

Almost surely, 2^22543403132 is an apocalyptic number.

It is an amenable number.

22543403132 is a deficient number, since it is larger than the sum of its proper divisors (16908605044).

22543403132 is a wasteful number, since it uses less digits than its factorization.

22543403132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150388 (or 150386 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 22543403132 its reverse (23130434522), we get a palindrome (45673837654).

The spelling of 22543403132 in words is "twenty-two billion, five hundred forty-three million, four hundred three thousand, one hundred thirty-two".