22213021032444 has 48 divisors (see below), whose sum is σ = 56778813826560. Its totient is φ = 6703054391040.

The previous prime is 22213021032437. The next prime is 22213021032463. The reversal of 22213021032444 is 44423012031222.

It is a super-2 number, since 2×22213021032444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352019629 + ... + 352082724.

It is an arithmetic number, because the mean of its divisors is an integer number (1182891954720).

Almost surely, 2^{22213021032444} is an apocalyptic number.

It is an amenable number.

22213021032444 is an abundant number, since it is smaller than the sum of its proper divisors (34565792794116).

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

22213021032444 is a wasteful number, since it uses less digits than its factorization.

22213021032444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704102610 (or 704102608 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22213021032444 its reverse (44423012031222), we get a palindrome (66636033063666).

The spelling of 22213021032444 in words is "twenty-two trillion, two hundred thirteen billion, twenty-one million, thirty-two thousand, four hundred forty-four".