22454144651 has 8 divisors (see below), whose sum is σ = 22667976240. Its totient is φ = 22241060352.

The previous prime is 22454144639. The next prime is 22454144659. The reversal of 22454144651 is 15644145422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22454144651 is a prime.

It is a super-2 number, since 2×22454144651² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22454144659) by changing a digit.

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, 126350 + ... + 246723.

It is an arithmetic number, because the mean of its divisors is an integer number (2833497030).

Almost surely, 2^22454144651 is an apocalyptic number.

22454144651 is a deficient number, since it is larger than the sum of its proper divisors (213831589).

22454144651 is a wasteful number, since it uses less digits than its factorization.

22454144651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373645.

The product of its digits is 153600, while the sum is 38.

The spelling of 22454144651 in words is "twenty-two billion, four hundred fifty-four million, one hundred forty-four thousand, six hundred fifty-one".