22534132212 has 18 divisors (see below), whose sum is σ = 56961278738. Its totient is φ = 7511377392.

The previous prime is 22534132211. The next prime is 22534132219. The reversal of 22534132212 is 21223143522.

22534132212 is a `hidden beast` number, since 2 + 25 + 3 + 413 + 221 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21787531236 + 746600976 = 147606^2 + 27324^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×22534132212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22534132211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312974023 + ... + 312974094.

Almost surely, 2^22534132212 is an apocalyptic number.

It is an amenable number.

22534132212 is an abundant number, since it is smaller than the sum of its proper divisors (34427146526).

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

22534132212 is a wasteful number, since it uses less digits than its factorization.

22534132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625948127 (or 625948122 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 22534132212 its reverse (21223143522), we get a palindrome (43757275734).

The spelling of 22534132212 in words is "twenty-two billion, five hundred thirty-four million, one hundred thirty-two thousand, two hundred twelve".