10022645 has 4 divisors (see below), whose sum is σ = 12027180. Its totient is φ = 8018112.

The previous prime is 10022627. The next prime is 10022647. The reversal of 10022645 is 54622001.

It is a happy number.

10022645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54622001 = 7 ⋅7803143.

It can be written as a sum of positive squares in 2 ways, for example, as 7739524 + 2283121 = 2782^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022645 - 2⁶ = 10022581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002260 + ... + 1002269.

It is an arithmetic number, because the mean of its divisors is an integer number (3006795).

Almost surely, 2^10022645 is an apocalyptic number.

It is an amenable number.

10022645 is a deficient number, since it is larger than the sum of its proper divisors (2004535).

10022645 is an equidigital number, since it uses as much as digits as its factorization.

10022645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004534.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10022645 is about 3165.8561243367. The cubic root of 10022645 is about 215.6059703153.

Adding to 10022645 its reverse (54622001), we get a palindrome (64644646).

The spelling of 10022645 in words is "ten million, twenty-two thousand, six hundred forty-five".