22466478081 has 8 divisors (see below), whose sum is σ = 29969707104. Its totient is φ = 14970450560.

The previous prime is 22466478079. The next prime is 22466478091. The reversal of 22466478081 is 18087466422.

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 22466478081 - 2¹ = 22466478079 is a prime.

It is a super-2 number, since 2×22466478081² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22466478081.

It is not an unprimeable number, because it can be changed into a prime (22466478011) 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, 1793091 + ... + 1805576.

It is an arithmetic number, because the mean of its divisors is an integer number (3746213388).

Almost surely, 2^22466478081 is an apocalyptic number.

It is an amenable number.

22466478081 is a deficient number, since it is larger than the sum of its proper divisors (7503229023).

22466478081 is a wasteful number, since it uses less digits than its factorization.

22466478081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600751.

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 22466478081 in words is "twenty-two billion, four hundred sixty-six million, four hundred seventy-eight thousand, eighty-one".