22513556416 has 112 divisors (see below), whose sum is σ = 51024617280. Its totient is φ = 9763799040.

The previous prime is 22513556347. The next prime is 22513556423. The reversal of 22513556416 is 61465531522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14440245 + ... + 14441803.

It is an arithmetic number, because the mean of its divisors is an integer number (455576940).

Almost surely, 2^22513556416 is an apocalyptic number.

22513556416 is a gapful number since it is divisible by the number (26) 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 22513556416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25512308640).

22513556416 is an abundant number, since it is smaller than the sum of its proper divisors (28511060864).

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

22513556416 is a wasteful number, since it uses less digits than its factorization.

22513556416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622 (or 2612 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The spelling of 22513556416 in words is "twenty-two billion, five hundred thirteen million, five hundred fifty-six thousand, four hundred sixteen".