22469136144 has 160 divisors (see below), whose sum is σ = 72652016640. Its totient is φ = 5825419776.

The previous prime is 22469136139. The next prime is 22469136161. The reversal of 22469136144 is 44163196422.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 22469136096 and 22469136105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214119 + ... + 301305.

It is an arithmetic number, because the mean of its divisors is an integer number (454075104).

Almost surely, 2^22469136144 is an apocalyptic number.

22469136144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22469136144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36326008320).

22469136144 is an abundant number, since it is smaller than the sum of its proper divisors (50182880496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22469136144 is a wasteful number, since it uses less digits than its factorization.

22469136144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87277 (or 87271 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The spelling of 22469136144 in words is "twenty-two billion, four hundred sixty-nine million, one hundred thirty-six thousand, one hundred forty-four".