22005010 has 16 divisors (see below), whose sum is σ = 40680216. Its totient is φ = 8563968.

The previous prime is 22004989. The next prime is 22005013. The reversal of 22005010 is 1050022.

It can be written as a sum of positive squares in 4 ways, for example, as 21557449 + 447561 = 4643^2 + 669^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22005013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29367 + ... + 30106.

Almost surely, 2^22005010 is an apocalyptic number.

22005010 is a deficient number, since it is larger than the sum of its proper divisors (18675206).

22005010 is a wasteful number, since it uses less digits than its factorization.

22005010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59517.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 22005010 is about 4690.9497972159. The cubic root of 22005010 is about 280.2252014770.

Adding to 22005010 its reverse (1050022), we get a palindrome (23055032).

The spelling of 22005010 in words is "twenty-two million, five thousand, ten".