22038266 has 4 divisors (see below), whose sum is σ = 33057402. Its totient is φ = 11019132.

The previous prime is 22038259. The next prime is 22038281. The reversal of 22038266 is 66283022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18671041 + 3367225 = 4321^2 + 1835^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5509565 + ... + 5509568.

Almost surely, 2^22038266 is an apocalyptic number.

22038266 is a deficient number, since it is larger than the sum of its proper divisors (11019136).

22038266 is a wasteful number, since it uses less digits than its factorization.

22038266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019135.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 22038266 is about 4694.4931568807. The cubic root of 22038266 is about 280.3662978088.

The spelling of 22038266 in words is "twenty-two million, thirty-eight thousand, two hundred sixty-six".