22421415455545 has 16 divisors (see below), whose sum is σ = 26981313632640. Its totient is φ = 17886724787200.

The previous prime is 22421415455539. The next prime is 22421415455561. The reversal of 22421415455545 is 54555451412422.

It is a happy number.

It is not a de Polignac number, because 22421415455545 - 2¹¹ = 22421415453497 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 85456410 + ... + 85718380.

It is an arithmetic number, because the mean of its divisors is an integer number (1686332102040).

Almost surely, 2^{22421415455545} is an apocalyptic number.

It is an amenable number.

22421415455545 is a deficient number, since it is larger than the sum of its proper divisors (4559898177095).

22421415455545 is a wasteful number, since it uses less digits than its factorization.

22421415455545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310016.

The product of its digits is 6400000, while the sum is 49.

Adding to 22421415455545 its reverse (54555451412422), we get a palindrome (76976866867967).

The spelling of 22421415455545 in words is "twenty-two trillion, four hundred twenty-one billion, four hundred fifteen million, four hundred fifty-five thousand, five hundred forty-five".