22012670 has 16 divisors (see below), whose sum is σ = 39720240. Its totient is φ = 8783424.

The previous prime is 22012667. The next prime is 22012673. The reversal of 22012670 is 7621022.

It is an interprime number because it is at equal distance from previous prime (22012667) and next prime (22012673).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946 + ... + 6914.

It is an arithmetic number, because the mean of its divisors is an integer number (2482515).

Almost surely, 2^22012670 is an apocalyptic number.

22012670 is a deficient number, since it is larger than the sum of its proper divisors (17707570).

22012670 is a wasteful number, since it uses less digits than its factorization.

22012670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 22012670 is about 4691.7661919580. The cubic root of 22012670 is about 280.2577134068.

Adding to 22012670 its reverse (7621022), we get a palindrome (29633692).

The spelling of 22012670 in words is "twenty-two million, twelve thousand, six hundred seventy".