22044586 has 4 divisors (see below), whose sum is σ = 33066882. Its totient is φ = 11022292.

The previous prime is 22044569. The next prime is 22044587. The reversal of 22044586 is 68544022.

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., 21799561 + 245025 = 4669^2 + 495^2 .

It is a super-2 number, since 2×22044586² = 971927543822792, which contains 22 as substring.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (22044587) 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 as a sum of consecutive naturals, namely, 5511145 + ... + 5511148.

Almost surely, 2^22044586 is an apocalyptic number.

22044586 is a deficient number, since it is larger than the sum of its proper divisors (11022296).

22044586 is a wasteful number, since it uses less digits than its factorization.

22044586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022295.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 22044586 is about 4695.1662377386. The cubic root of 22044586 is about 280.3930958283.

The spelling of 22044586 in words is "twenty-two million, forty-four thousand, five hundred eighty-six".