32202022212 has 36 divisors (see below), whose sum is σ = 81405012780. Its totient is φ = 10733287872.

The previous prime is 32202022189. The next prime is 32202022219. The reversal of 32202022212 is 21222020223.

It can be written as a sum of positive squares in 2 ways, for example, as 30587911236 + 1614110976 = 174894^2 + 40176^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (32202022219) 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, 988114 + ... + 1020182.

It is an arithmetic number, because the mean of its divisors is an integer number (2261250355).

Almost surely, 2^32202022212 is an apocalyptic number.

It is an amenable number.

32202022212 is an abundant number, since it is smaller than the sum of its proper divisors (49202990568).

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

32202022212 is a wasteful number, since it uses less digits than its factorization.

32202022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59972 (or 59967 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 32202022212 its reverse (21222020223), we get a palindrome (53424042435).

The spelling of 32202022212 in words is "thirty-two billion, two hundred two million, twenty-two thousand, two hundred twelve".