22067774 has 16 divisors (see below), whose sum is σ = 33589248. Its totient is φ = 10872792.

The previous prime is 22067767. The next prime is 22067777. The reversal of 22067774 is 47776022.

It is a super-4 number, since 4×22067774⁴ (a number of 30 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22067777) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 71729 + ... + 72035.

It is an arithmetic number, because the mean of its divisors is an integer number (2099328).

Almost surely, 2^22067774 is an apocalyptic number.

22067774 is a deficient number, since it is larger than the sum of its proper divisors (11521474).

22067774 is a wasteful number, since it uses less digits than its factorization.

22067774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 22067774 is about 4697.6349368592. The cubic root of 22067774 is about 280.4913735759.

The spelling of 22067774 in words is "twenty-two million, sixty-seven thousand, seven hundred seventy-four".