22013105 has 16 divisors (see below), whose sum is σ = 27264384. Its totient is φ = 17051520.

The previous prime is 22013081. The next prime is 22013137. The reversal of 22013105 is 50131022.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-22013105 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22013105.

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, 33914 + ... + 34556.

It is an arithmetic number, because the mean of its divisors is an integer number (1704024).

Almost surely, 2^22013105 is an apocalyptic number.

It is an amenable number.

22013105 is a deficient number, since it is larger than the sum of its proper divisors (5251279).

22013105 is a wasteful number, since it uses less digits than its factorization.

22013105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 22013105 is about 4691.8125495378. The cubic root of 22013105 is about 280.2595594846.

Adding to 22013105 its reverse (50131022), we get a palindrome (72144127).

The spelling of 22013105 in words is "twenty-two million, thirteen thousand, one hundred five".