10505223442 has 32 divisors (see below), whose sum is σ = 18459342720. Its totient is φ = 4389774720.

The previous prime is 10505223437. The next prime is 10505223493. The reversal of 10505223442 is 24432250501.

It is a super-2 number, since 2×10505223442² (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 10505223442.

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, 1158984 + ... + 1168012.

It is an arithmetic number, because the mean of its divisors is an integer number (576854460).

Almost surely, 2^10505223442 is an apocalyptic number.

10505223442 is a deficient number, since it is larger than the sum of its proper divisors (7954119278).

10505223442 is a wasteful number, since it uses less digits than its factorization.

10505223442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 10505223442 its reverse (24432250501), we get a palindrome (34937473943).

The spelling of 10505223442 in words is "ten billion, five hundred five million, two hundred twenty-three thousand, four hundred forty-two".