22070105 has 12 divisors (see below), whose sum is σ = 27018732. Its totient is φ = 17302080.

The previous prime is 22070099. The next prime is 22070117. The reversal of 22070105 is 50107022.

It can be written as a sum of positive squares in 6 ways, for example, as 13520329 + 8549776 = 3677^2 + 2924^2 .

It is not a de Polignac number, because 22070105 - 2⁴ = 22070089 is a prime.

It is a super-2 number, since 2×22070105² = 974179069422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81911 + ... + 82179.

It is an arithmetic number, because the mean of its divisors is an integer number (2251561).

Almost surely, 2^22070105 is an apocalyptic number.

It is an amenable number.

22070105 is a deficient number, since it is larger than the sum of its proper divisors (4948627).

22070105 is an frugal number, since it uses more digits than its factorization.

22070105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 22070105 is about 4697.8830338781. The cubic root of 22070105 is about 280.5012492491.

Adding to 22070105 its reverse (50107022), we get a palindrome (72177127).

The spelling of 22070105 in words is "twenty-two million, seventy thousand, one hundred five".