22012010 has 8 divisors (see below), whose sum is σ = 39621636. Its totient is φ = 8804800.

The previous prime is 22011967. The next prime is 22012019. The reversal of 22012010 is 1021022.

It can be written as a sum of positive squares in 2 ways, for example, as 21242881 + 769129 = 4609^2 + 877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22012019) 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 in 3 ways as a sum of consecutive naturals, for example, 1100591 + ... + 1100610.

Almost surely, 2^22012010 is an apocalyptic number.

22012010 is a deficient number, since it is larger than the sum of its proper divisors (17609626).

22012010 is a wasteful number, since it uses less digits than its factorization.

22012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201208.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 22012010 is about 4691.6958554450. The cubic root of 22012010 is about 280.2549124148.

Adding to 22012010 its reverse (1021022), we get a palindrome (23033032).

The spelling of 22012010 in words is "twenty-two million, twelve thousand, ten".