22038066 has 12 divisors (see below), whose sum is σ = 47749182. Its totient is φ = 7346016.

The previous prime is 22038061. The next prime is 22038067. The reversal of 22038066 is 66083022.

22038066 is a `hidden beast` number, since 220 + 380 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14861025 + 7177041 = 3855^2 + 2679^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22038061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612151 + ... + 612186.

Almost surely, 2^22038066 is an apocalyptic number.

22038066 is an abundant number, since it is smaller than the sum of its proper divisors (25711116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22038066 is a wasteful number, since it uses less digits than its factorization.

22038066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224345 (or 1224342 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 22038066 is about 4694.4718552783. The cubic root of 22038066 is about 280.3654496865.

The spelling of 22038066 in words is "twenty-two million, thirty-eight thousand, sixty-six".