10515345222 has 32 divisors (see below), whose sum is σ = 21176689248. Its totient is φ = 3480846336.

The previous prime is 10515345209. The next prime is 10515345319. The reversal of 10515345222 is 22254351501.

It is a super-2 number, since 2×10515345222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10515345222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679038 + ... + 694350.

It is an arithmetic number, because the mean of its divisors is an integer number (661771539).

Almost surely, 2^10515345222 is an apocalyptic number.

10515345222 is an abundant number, since it is smaller than the sum of its proper divisors (10661344026).

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

10515345222 is a wasteful number, since it uses less digits than its factorization.

10515345222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16104.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 10515345222 its reverse (22254351501), we get a palindrome (32769696723).

The spelling of 10515345222 in words is "ten billion, five hundred fifteen million, three hundred forty-five thousand, two hundred twenty-two".