22421641654145 has 16 divisors (see below), whose sum is σ = 26917297774848. Its totient is φ = 17929763066880.

The previous prime is 22421641654141. The next prime is 22421641654211. The reversal of 22421641654145 is 54145614612422.

It is not a de Polignac number, because 22421641654145 - 2² = 22421641654141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22421641654145.

It is not an unprimeable number, because it can be changed into a prime (22421641654141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117506657 + ... + 117697313.

It is an arithmetic number, because the mean of its divisors is an integer number (1682331110928).

Almost surely, 2^{22421641654145} is an apocalyptic number.

It is an amenable number.

22421641654145 is a deficient number, since it is larger than the sum of its proper divisors (4495656120703).

22421641654145 is a wasteful number, since it uses less digits than its factorization.

22421641654145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200440.

The product of its digits is 1843200, while the sum is 47.

The spelling of 22421641654145 in words is "twenty-two trillion, four hundred twenty-one billion, six hundred forty-one million, six hundred fifty-four thousand, one hundred forty-five".