32212213444 has 12 divisors (see below), whose sum is σ = 56373645244. Its totient is φ = 16105457664.

The previous prime is 32212213433. The next prime is 32212213447. The reversal of 32212213444 is 44431221223.

It can be written as a sum of positive squares in 2 ways, for example, as 25748053444 + 6464160000 = 160462^2 + 80400^2 .

It is a super-2 number, since 2×32212213444² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32212213447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40437 + ... + 257020.

Almost surely, 2^32212213444 is an apocalyptic number.

It is an amenable number.

32212213444 is a deficient number, since it is larger than the sum of its proper divisors (24161431800).

32212213444 is a wasteful number, since it uses less digits than its factorization.

32212213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324534 (or 324532 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 32212213444 its reverse (44431221223), we get a palindrome (76643434667).

The spelling of 32212213444 in words is "thirty-two billion, two hundred twelve million, two hundred thirteen thousand, four hundred forty-four".