22590022 has 16 divisors (see below), whose sum is σ = 41704992. Its totient is φ = 8936640.

The previous prime is 22590019. The next prime is 22590023. The reversal of 22590022 is 22009522.

It is a junction number, because it is equal to n+sod(n) for n = 22589975 and 22590002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22590023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61879 + ... + 62242.

It is an arithmetic number, because the mean of its divisors is an integer number (2606562).

Almost surely, 2^22590022 is an apocalyptic number.

22590022 is a deficient number, since it is larger than the sum of its proper divisors (19114970).

22590022 is a wasteful number, since it uses less digits than its factorization.

22590022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124143.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22590022 is about 4752.8961697054. The cubic root of 22590022 is about 282.6868140701.

Adding to 22590022 its reverse (22009522), we get a palindrome (44599544).

The spelling of 22590022 in words is "twenty-two million, five hundred ninety thousand, twenty-two".