10222221025 has 27 divisors (see below), whose sum is σ = 12898133451. Its totient is φ = 8036634240.

The previous prime is 10222221007. The next prime is 10222221043. The reversal of 10222221025 is 52012222201.

The square root of 10222221025 is 101105.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (10222221007) and next prime (10222221043).

It can be written as a sum of positive squares in 13 ways, for example, as 8993297889 + 1228923136 = 94833^2 + 35056^2 .

It is not a de Polignac number, because 10222221025 - 2¹⁵ = 10222188257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222220993 and 10222221011.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 36903187 + ... + 36903463.

Almost surely, 2^10222221025 is an apocalyptic number.

10222221025 is the 101105-th square number.

10222221025 is the 50553-rd centered octagonal number.

It is an amenable number.

10222221025 is a deficient number, since it is larger than the sum of its proper divisors (2675912426).

10222221025 is an frugal number, since it uses more digits than its factorization.

10222221025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 10222221025 its reverse (52012222201), we get a palindrome (62234443226).

The spelling of 10222221025 in words is "ten billion, two hundred twenty-two million, two hundred twenty-one thousand, twenty-five".