22620105 has 12 divisors (see below), whose sum is σ = 39208260. Its totient is φ = 12064032.

The previous prime is 22620083. The next prime is 22620119. The reversal of 22620105 is 50102622.

It can be written as a sum of positive squares in 2 ways, for example, as 13329801 + 9290304 = 3651^2 + 3048^2 .

It is not a de Polignac number, because 22620105 - 2⁶ = 22620041 is a prime.

It is a super-2 number, since 2×22620105² = 1023338300422050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251290 + ... + 251379.

It is an arithmetic number, because the mean of its divisors is an integer number (3267355).

Almost surely, 2^22620105 is an apocalyptic number.

It is an amenable number.

22620105 is a deficient number, since it is larger than the sum of its proper divisors (16588155).

22620105 is a wasteful number, since it uses less digits than its factorization.

22620105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502680 (or 502677 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22620105 is about 4756.0598187996. The cubic root of 22620105 is about 282.8122425341.

Adding to 22620105 its reverse (50102622), we get a palindrome (72722727).

The spelling of 22620105 in words is "twenty-two million, six hundred twenty thousand, one hundred five".