10222155025 has 6 divisors (see below), whose sum is σ = 12675472262. Its totient is φ = 8177724000.

The previous prime is 10222155011. The next prime is 10222155043. The reversal of 10222155025 is 52055122201.

It can be written as a sum of positive squares in 3 ways, for example, as 2432856976 + 7789298049 = 49324^2 + 88257^2 .

It is not a de Polignac number, because 10222155025 - 2⁹ = 10222154513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 408886201 = 10222155025 / (1 + 0 + 2 + 2 + 2 + 1 + 5 + 5 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204443076 + ... + 204443125.

Almost surely, 2^10222155025 is an apocalyptic number.

It is an amenable number.

10222155025 is a deficient number, since it is larger than the sum of its proper divisors (2453317237).

10222155025 is an equidigital number, since it uses as much as digits as its factorization.

10222155025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408886211 (or 408886206 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 10222155025 its reverse (52055122201), we get a palindrome (62277277226).

The spelling of 10222155025 in words is "ten billion, two hundred twenty-two million, one hundred fifty-five thousand, twenty-five".