22553502144 has 112 divisors (see below), whose sum is σ = 61439304096. Its totient is φ = 7296307200.

The previous prime is 22553502121. The next prime is 22553502157. The reversal of 22553502144 is 44120535522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2987014 + ... + 2994554.

Almost surely, 2^22553502144 is an apocalyptic number.

22553502144 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 22553502144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30719652048).

22553502144 is an abundant number, since it is smaller than the sum of its proper divisors (38885801952).

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

22553502144 is a wasteful number, since it uses less digits than its factorization.

22553502144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014 (or 8004 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 22553502144 in words is "twenty-two billion, five hundred fifty-three million, five hundred two thousand, one hundred forty-four".