22070169 has 12 divisors (see below), whose sum is σ = 34777392. Its totient is φ = 13375800.

The previous prime is 22070161. The next prime is 22070183. The reversal of 22070169 is 96107022.

It is not a de Polignac number, because 22070169 - 2³ = 22070161 is a prime.

It is a super-2 number, since 2×22070169² = 974184719377122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22070161) by changing a digit.

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, 111367 + ... + 111564.

It is an arithmetic number, because the mean of its divisors is an integer number (2898116).

Almost surely, 2^22070169 is an apocalyptic number.

It is an amenable number.

22070169 is a deficient number, since it is larger than the sum of its proper divisors (12707223).

22070169 is a wasteful number, since it uses less digits than its factorization.

22070169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222948 (or 222945 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 22070169 is about 4697.8898454519. The cubic root of 22070169 is about 280.5015203860.

The spelling of 22070169 in words is "twenty-two million, seventy thousand, one hundred sixty-nine".