10220164225 has 24 divisors (see below), whose sum is σ = 12865747968. Its totient is φ = 8052038400.

The previous prime is 10220164219. The next prime is 10220164231. The reversal of 10220164225 is 52246102201.

It is an interprime number because it is at equal distance from previous prime (10220164219) and next prime (10220164231).

It is not a de Polignac number, because 10220164225 - 2⁹ = 10220163713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10220164225.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1926777 + ... + 1932073.

It is an arithmetic number, because the mean of its divisors is an integer number (536072832).

Almost surely, 2^10220164225 is an apocalyptic number.

It is an amenable number.

10220164225 is a deficient number, since it is larger than the sum of its proper divisors (2645583743).

10220164225 is a wasteful number, since it uses less digits than its factorization.

10220164225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465 (or 6460 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10220164225 its reverse (52246102201), we get a palindrome (62466266426).

The spelling of 10220164225 in words is "ten billion, two hundred twenty million, one hundred sixty-four thousand, two hundred twenty-five".