16223021522 has 16 divisors (see below), whose sum is σ = 25721599200. Its totient is φ = 7652698560.

The previous prime is 16223021519. The next prime is 16223021527. The reversal of 16223021522 is 22512032261.

It is a junction number, because it is equal to n+sod(n) for n = 16223021491 and 16223021500.

It is not an unprimeable number, because it can be changed into a prime (16223021527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876572 + ... + 894887.

It is an arithmetic number, because the mean of its divisors is an integer number (1607599950).

Almost surely, 2^16223021522 is an apocalyptic number.

16223021522 is a deficient number, since it is larger than the sum of its proper divisors (9498577678).

16223021522 is a wasteful number, since it uses less digits than its factorization.

16223021522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771721.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 16223021522 its reverse (22512032261), we get a palindrome (38735053783).

The spelling of 16223021522 in words is "sixteen billion, two hundred twenty-three million, twenty-one thousand, five hundred twenty-two".