22520105 has 16 divisors (see below), whose sum is σ = 29113344. Its totient is φ = 16674240.

The previous prime is 22520083. The next prime is 22520131. The reversal of 22520105 is 50102522.

It is a de Polignac number, because none of the positive numbers 2^k-22520105 is a prime.

It is a super-2 number, since 2×22520105² = 1014310258422050, which contains 22 as substring.

It is a Duffinian 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, 407 + ... + 6723.

It is an arithmetic number, because the mean of its divisors is an integer number (1819584).

Almost surely, 2^22520105 is an apocalyptic number.

It is an amenable number.

22520105 is a deficient number, since it is larger than the sum of its proper divisors (6593239).

22520105 is a wasteful number, since it uses less digits than its factorization.

22520105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 22520105 is about 4745.5352701250. The cubic root of 22520105 is about 282.3948704285.

Adding to 22520105 its reverse (50102522), we get a palindrome (72622627).

The spelling of 22520105 in words is "twenty-two million, five hundred twenty thousand, one hundred five".