22550870 has 16 divisors (see below), whose sum is σ = 40663728. Its totient is φ = 9004320.

The previous prime is 22550867. The next prime is 22550873. The reversal of 22550870 is 7805522.

It is an interprime number because it is at equal distance from previous prime (22550867) and next prime (22550873).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550873) 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, 5105 + ... + 8435.

It is an arithmetic number, because the mean of its divisors is an integer number (2541483).

Almost surely, 2^22550870 is an apocalyptic number.

22550870 is a deficient number, since it is larger than the sum of its proper divisors (18112858).

22550870 is a wasteful number, since it uses less digits than its factorization.

22550870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 22550870 is about 4748.7756316760. The cubic root of 22550870 is about 282.5234063150.

The spelling of 22550870 in words is "twenty-two million, five hundred fifty thousand, eight hundred seventy".