22003400213444 has 24 divisors (see below), whose sum is σ = 42432317410560. Its totient is φ = 9919243029024.

The previous prime is 22003400213407. The next prime is 22003400213503. The reversal of 22003400213444 is 44431200430022.

It is a super-2 number, since 2×22003400213444² (a number of 27 digits) contains 22 as substring.

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, 4920257204 + ... + 4920261675.

It is an arithmetic number, because the mean of its divisors is an integer number (1768013225440).

Almost surely, 2^{22003400213444} is an apocalyptic number.

It is an amenable number.

22003400213444 is a deficient number, since it is larger than the sum of its proper divisors (20428917197116).

22003400213444 is a wasteful number, since it uses less digits than its factorization.

22003400213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840518939 (or 9840518937 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22003400213444 its reverse (44431200430022), we get a palindrome (66434600643466).

The spelling of 22003400213444 in words is "twenty-two trillion, three billion, four hundred million, two hundred thirteen thousand, four hundred forty-four".