22487246544 has 80 divisors (see below), whose sum is σ = 66579345792. Its totient is φ = 6406692864.

The previous prime is 22487246543. The next prime is 22487246591. The reversal of 22487246544 is 44564278422.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 22487246493 and 22487246502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22487246543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23812 + ... + 213404.

Almost surely, 2^22487246544 is an apocalyptic number.

22487246544 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 22487246544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33289672896).

22487246544 is an abundant number, since it is smaller than the sum of its proper divisors (44092099248).

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

22487246544 is a wasteful number, since it uses less digits than its factorization.

22487246544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189964 (or 189958 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 48.

The spelling of 22487246544 in words is "twenty-two billion, four hundred eighty-seven million, two hundred forty-six thousand, five hundred forty-four".