22488081081 has 8 divisors (see below), whose sum is σ = 29986193664. Its totient is φ = 14991011280.

The previous prime is 22488081073. The next prime is 22488081097. The reversal of 22488081081 is 18018088422.

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

It is not a de Polignac number, because 22488081081 - 2³ = 22488081073 is a prime.

It is a super-2 number, since 2×22488081081² (a number of 22 digits) contains 22 as substring.

22488081081 is a modest number, since divided by 81081 gives 22488 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22488081041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208905 + ... + 297686.

It is an arithmetic number, because the mean of its divisors is an integer number (3748274208).

Almost surely, 2^22488081081 is an apocalyptic number.

It is an amenable number.

22488081081 is a deficient number, since it is larger than the sum of its proper divisors (7498112583).

22488081081 is a wasteful number, since it uses less digits than its factorization.

22488081081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521391.

The product of its (nonzero) digits is 65536, while the sum is 42.

The spelling of 22488081081 in words is "twenty-two billion, four hundred eighty-eight million, eighty-one thousand, eighty-one".