22162351832 has 8 divisors (see below), whose sum is σ = 41554409700. Its totient is φ = 11081175912.

The previous prime is 22162351831. The next prime is 22162351859. The reversal of 22162351832 is 23815326122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22162351792 and 22162351801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22162351831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385146982 + ... + 1385146997.

Almost surely, 2^22162351832 is an apocalyptic number.

It is an amenable number.

22162351832 is a deficient number, since it is larger than the sum of its proper divisors (19392057868).

22162351832 is a wasteful number, since it uses less digits than its factorization.

22162351832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770293985 (or 2770293981 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

Adding to 22162351832 its reverse (23815326122), we get a palindrome (45977677954).

The spelling of 22162351832 in words is "twenty-two billion, one hundred sixty-two million, three hundred fifty-one thousand, eight hundred thirty-two".