22650022 has 4 divisors (see below), whose sum is σ = 33975036. Its totient is φ = 11325010.

The previous prime is 22650007. The next prime is 22650029. The reversal of 22650022 is 22005622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22005622 = 2 ⋅11002811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22650029) 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, 5662504 + ... + 5662507.

It is an arithmetic number, because the mean of its divisors is an integer number (8493759).

Almost surely, 2^22650022 is an apocalyptic number.

22650022 is a deficient number, since it is larger than the sum of its proper divisors (11325014).

22650022 is a wasteful number, since it uses less digits than its factorization.

22650022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325013.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22650022 is about 4759.2039250278. The cubic root of 22650022 is about 282.9368686357.

Adding to 22650022 its reverse (22005622), we get a palindrome (44655644).

The spelling of 22650022 in words is "twenty-two million, six hundred fifty thousand, twenty-two".