22146241521 has 32 divisors (see below), whose sum is σ = 31532820480. Its totient is φ = 13785249600.

The previous prime is 22146241519. The next prime is 22146241531. The reversal of 22146241521 is 12514264122.

It is not a de Polignac number, because 22146241521 - 2¹ = 22146241519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22146241531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2033631 + ... + 2044491.

It is an arithmetic number, because the mean of its divisors is an integer number (985400640).

Almost surely, 2^22146241521 is an apocalyptic number.

It is an amenable number.

22146241521 is a deficient number, since it is larger than the sum of its proper divisors (9386578959).

22146241521 is a wasteful number, since it uses less digits than its factorization.

22146241521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11397.

The product of its digits is 7680, while the sum is 30.

The spelling of 22146241521 in words is "twenty-two billion, one hundred forty-six million, two hundred forty-one thousand, five hundred twenty-one".