22352210550 has 192 divisors, whose sum is σ = 65063454720. Its totient is φ = 5633712000.

The previous prime is 22352210533. The next prime is 22352210567. The reversal of 22352210550 is 5501225322.

It is an interprime number because it is at equal distance from previous prime (22352210533) and next prime (22352210567).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1793340 + ... + 1805760.

It is an arithmetic number, because the mean of its divisors is an integer number (338872160).

Almost surely, 2^22352210550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22352210550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32531727360).

22352210550 is an abundant number, since it is smaller than the sum of its proper divisors (42711244170).

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

22352210550 is a wasteful number, since it uses less digits than its factorization.

22352210550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12516 (or 12505 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 22352210550 its reverse (5501225322), we get a palindrome (27853435872).

The spelling of 22352210550 in words is "twenty-two billion, three hundred fifty-two million, two hundred ten thousand, five hundred fifty".