22040594 has 4 divisors (see below), whose sum is σ = 33060894. Its totient is φ = 11020296.

The previous prime is 22040593. The next prime is 22040621. The reversal of 22040594 is 49504022.

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., 21743569 + 297025 = 4663^2 + 545^2 .

It is not an unprimeable number, because it can be changed into a prime (22040593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510147 + ... + 5510150.

Almost surely, 2^22040594 is an apocalyptic number.

22040594 is a deficient number, since it is larger than the sum of its proper divisors (11020300).

22040594 is a wasteful number, since it uses less digits than its factorization.

22040594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020299.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22040594 is about 4694.7411004229. The cubic root of 22040594 is about 280.3761695739.

The spelling of 22040594 in words is "twenty-two million, forty thousand, five hundred ninety-four".