21322244454032 has 40 divisors (see below), whose sum is σ = 42441080727936. Its totient is φ = 10369879929216.

The previous prime is 21322244454029. The next prime is 21322244454059. The reversal of 21322244454032 is 23045444222312.

It is a super-2 number, since 2×21322244454032² (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, 3407918 + ... + 7366029.

Almost surely, 2^{21322244454032} is an apocalyptic number.

It is an amenable number.

21322244454032 is a deficient number, since it is larger than the sum of its proper divisors (21118836273904).

21322244454032 is a wasteful number, since it uses less digits than its factorization.

21322244454032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10777335 (or 10777329 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 21322244454032 its reverse (23045444222312), we get a palindrome (44367688676344).

The spelling of 21322244454032 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred forty-four million, four hundred fifty-four thousand, thirty-two".