22540201500 has 192 divisors, whose sum is σ = 67130953344. Its totient is φ = 5875200000.

The previous prime is 22540201493. The next prime is 22540201501. The reversal of 22540201500 is 510204522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540201501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16560820 + ... + 16562180.

It is an arithmetic number, because the mean of its divisors is an integer number (349640382).

Almost surely, 2^22540201500 is an apocalyptic number.

22540201500 is a gapful number since it is divisible by the number (20) 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 22540201500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33565476672).

22540201500 is an abundant number, since it is smaller than the sum of its proper divisors (44590751844).

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

22540201500 is a wasteful number, since it uses less digits than its factorization.

22540201500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The spelling of 22540201500 in words is "twenty-two billion, five hundred forty million, two hundred one thousand, five hundred".