32312201022 has 20 divisors (see below), whose sum is σ = 72403265616. Its totient is φ = 10770733620.

The previous prime is 32312200979. The next prime is 32312201027. The reversal of 32312201022 is 22010221323.

It is a super-2 number, since 2×32312201022² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32312200986 and 32312201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32312201027) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 99728854 + ... + 99729177.

Almost surely, 2^32312201022 is an apocalyptic number.

32312201022 is an abundant number, since it is smaller than the sum of its proper divisors (40091064594).

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

32312201022 is a wasteful number, since it uses less digits than its factorization.

32312201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199458045 (or 199458036 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 32312201022 its reverse (22010221323), we get a palindrome (54322422345).

The spelling of 32312201022 in words is "thirty-two billion, three hundred twelve million, two hundred one thousand, twenty-two".