22670181 has 12 divisors (see below), whose sum is σ = 32795308. Its totient is φ = 15090624.

The previous prime is 22670117. The next prime is 22670183. The reversal of 22670181 is 18107622.

It can be written as a sum of positive squares in 2 ways, for example, as 9054081 + 13616100 = 3009^2 + 3690^2 .

It is not a de Polignac number, because 22670181 - 2⁶ = 22670117 is a prime.

It is a super-2 number, since 2×22670181² = 1027874213145522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22670183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6201 + ... + 9153.

Almost surely, 2^22670181 is an apocalyptic number.

It is an amenable number.

22670181 is a deficient number, since it is larger than the sum of its proper divisors (10125127).

22670181 is a wasteful number, since it uses less digits than its factorization.

22670181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3809 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 22670181 is about 4761.3213502136. The cubic root of 22670181 is about 283.0207836834.

It can be divided in two parts, 226 and 70181, that added together give a palindrome (70407).

The spelling of 22670181 in words is "twenty-two million, six hundred seventy thousand, one hundred eighty-one".