22550745 has 32 divisors (see below), whose sum is σ = 41432832. Its totient is φ = 10259712.

The previous prime is 22550743. The next prime is 22550747. The reversal of 22550745 is 54705522.

It is an interprime number because it is at equal distance from previous prime (22550743) and next prime (22550747).

It is not a de Polignac number, because 22550745 - 2¹ = 22550743 is a prime.

It is a super-2 number, since 2×22550745² = 1017072200110050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22550743) 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 31 ways as a sum of consecutive naturals, for example, 30399 + ... + 31131.

It is an arithmetic number, because the mean of its divisors is an integer number (1294776).

Almost surely, 2^22550745 is an apocalyptic number.

It is an amenable number.

22550745 is a deficient number, since it is larger than the sum of its proper divisors (18882087).

22550745 is a wasteful number, since it uses less digits than its factorization.

22550745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 22550745 is about 4748.7624703706. The cubic root of 22550745 is about 282.5228843028.

The spelling of 22550745 in words is "twenty-two million, five hundred fifty thousand, seven hundred forty-five".