22452756481 has 8 divisors (see below), whose sum is σ = 23153105664. Its totient is φ = 21761683680.

The previous prime is 22452756407. The next prime is 22452756493. The reversal of 22452756481 is 18465725422.

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

It is a cyclic number.

It is not a de Polignac number, because 22452756481 - 2³¹ = 20305272833 is a prime.

It is a super-2 number, since 2×22452756481² (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 (22452756181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2314180 + ... + 2323861.

It is an arithmetic number, because the mean of its divisors is an integer number (2894138208).

Almost surely, 2^22452756481 is an apocalyptic number.

It is an amenable number.

22452756481 is a deficient number, since it is larger than the sum of its proper divisors (700349183).

22452756481 is a wasteful number, since it uses less digits than its factorization.

22452756481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638191.

The product of its digits is 1075200, while the sum is 46.

The spelling of 22452756481 in words is "twenty-two billion, four hundred fifty-two million, seven hundred fifty-six thousand, four hundred eighty-one".