21223222301332 has 6 divisors (see below), whose sum is σ = 37140639027338. Its totient is φ = 10611611150664.

The previous prime is 21223222301297. The next prime is 21223222301371. The reversal of 21223222301332 is 23310322232212.

It can be written as a sum of positive squares in only one way, i.e., 21221168942736 + 2053358596 = 4606644^2 + 45314^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21223222301332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652902787663 + ... + 2652902787670.

Almost surely, 2^{21223222301332} is an apocalyptic number.

It is an amenable number.

21223222301332 is a deficient number, since it is larger than the sum of its proper divisors (15917416726006).

21223222301332 is a wasteful number, since it uses less digits than its factorization.

21223222301332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305805575337 (or 5305805575335 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21223222301332 its reverse (23310322232212), we get a palindrome (44533544533544).

The spelling of 21223222301332 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred twenty-two million, three hundred one thousand, three hundred thirty-two".