105515103222 has 64 divisors (see below), whose sum is σ = 237546777600. Its totient is φ = 34711765920.

The previous prime is 105515103191. The next prime is 105515103233. The reversal of 105515103222 is 222301515501.

105515103222 is a `hidden beast` number, since 1 + 0 + 551 + 5 + 103 + 2 + 2 + 2 = 666.

It is a super-2 number, since 2×105515103222² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15273093 + ... + 15279999.

It is an arithmetic number, because the mean of its divisors is an integer number (3711668400).

Almost surely, 2^105515103222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105515103222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118773388800).

105515103222 is an abundant number, since it is smaller than the sum of its proper divisors (132031674378).

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

105515103222 is a wasteful number, since it uses less digits than its factorization.

105515103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578 (or 10572 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 105515103222 its reverse (222301515501), we get a palindrome (327816618723).

The spelling of 105515103222 in words is "one hundred five billion, five hundred fifteen million, one hundred three thousand, two hundred twenty-two".