22016320522004 has 24 divisors (see below), whose sum is σ = 40705156074240. Its totient is φ = 10402428769376.

The previous prime is 22016320521983. The next prime is 22016320522019. The reversal of 22016320522004 is 40022502361022.

It is a super-2 number, since 2×22016320522004² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 in 7 ways as a sum of consecutive naturals, for example, 2019099512 + ... + 2019110415.

It is an arithmetic number, because the mean of its divisors is an integer number (1696048169760).

Almost surely, 2^{22016320522004} is an apocalyptic number.

It is an amenable number.

22016320522004 is a deficient number, since it is larger than the sum of its proper divisors (18688835552236).

22016320522004 is a wasteful number, since it uses less digits than its factorization.

22016320522004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038210007 (or 4038210005 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 22016320522004 its reverse (40022502361022), we get a palindrome (62038822883026).

The spelling of 22016320522004 in words is "twenty-two trillion, sixteen billion, three hundred twenty million, five hundred twenty-two thousand, four".