22205348712 has 48 divisors (see below), whose sum is σ = 62754251040. Its totient is φ = 7079965728.

The previous prime is 22205348699. The next prime is 22205348713. The reversal of 22205348712 is 21784350222.

22205348712 is a `hidden beast` number, since 22 + 20 + 534 + 87 + 1 + 2 = 666.

It is a super-2 number, since 2×22205348712² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22205348713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6702858 + ... + 6706169.

It is an arithmetic number, because the mean of its divisors is an integer number (1307380230).

Almost surely, 2^22205348712 is an apocalyptic number.

It is an amenable number.

22205348712 is an abundant number, since it is smaller than the sum of its proper divisors (40548902328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22205348712 is a wasteful number, since it uses less digits than its factorization.

22205348712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13409062 (or 13409055 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

Adding to 22205348712 its reverse (21784350222), we get a palindrome (43989698934).

The spelling of 22205348712 in words is "twenty-two billion, two hundred five million, three hundred forty-eight thousand, seven hundred twelve".