212224044322 has 4 divisors (see below), whose sum is σ = 318336066486. Its totient is φ = 106112022160.

The previous prime is 212224044311. The next prime is 212224044343. The reversal of 212224044322 is 223440422212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 195993029521 + 16231014801 = 442711^2 + 127401^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53056011079 + ... + 53056011082.

Almost surely, 2^212224044322 is an apocalyptic number.

212224044322 is a deficient number, since it is larger than the sum of its proper divisors (106112022164).

212224044322 is a wasteful number, since it uses less digits than its factorization.

212224044322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106112022163.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 212224044322 its reverse (223440422212), we get a palindrome (435664466534).

The spelling of 212224044322 in words is "two hundred twelve billion, two hundred twenty-four million, forty-four thousand, three hundred twenty-two".