22221704370432 has 576 divisors, whose sum is σ = 72045522210816. Its totient is φ = 5943780311040.

The previous prime is 22221704370413. The next prime is 22221704370469. The reversal of 22221704370432 is 23407340712222.

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 in 63 ways as a sum of consecutive naturals, for example, 1182436428 + ... + 1182455220.

It is an arithmetic number, because the mean of its divisors is an integer number (125079031616).

Almost surely, 2^{22221704370432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22221704370432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36022761105408).

22221704370432 is an abundant number, since it is smaller than the sum of its proper divisors (49823817840384).

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

22221704370432 is a wasteful number, since it uses less digits than its factorization.

22221704370432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19046 (or 19032 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 39.

The spelling of 22221704370432 in words is "twenty-two trillion, two hundred twenty-one billion, seven hundred four million, three hundred seventy thousand, four hundred thirty-two".