32001222 has 16 divisors (see below), whose sum is σ = 69820992. Its totient is φ = 9697320.

The previous prime is 32001217. The next prime is 32001283. The reversal of 32001222 is 22210023.

It is a junction number, because it is equal to n+sod(n) for n = 32001198 and 32001207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242368 + ... + 242499.

It is an arithmetic number, because the mean of its divisors is an integer number (4363812).

Almost surely, 2^32001222 is an apocalyptic number.

32001222 is an abundant number, since it is smaller than the sum of its proper divisors (37819770).

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

32001222 is a wasteful number, since it uses less digits than its factorization.

32001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484883.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 32001222 is about 5656.9622590221. The cubic root of 32001222 is about 317.4842516007.

Adding to 32001222 its reverse (22210023), we get a palindrome (54211245).

It can be divided in two parts, 32001 and 222, that added together give a palindrome (32223).

The spelling of 32001222 in words is "thirty-two million, one thousand, two hundred twenty-two".