10221770417 has 4 divisors (see below), whose sum is σ = 10336621860. Its totient is φ = 10106918976.

The previous prime is 10221770401. The next prime is 10221770437. The reversal of 10221770417 is 71407712201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5312806321 + 4908964096 = 72889^2 + 70064^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221770417 - 2⁴ = 10221770401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221770437) 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, 57425588 + ... + 57425765.

It is an arithmetic number, because the mean of its divisors is an integer number (2584155465).

Almost surely, 2^10221770417 is an apocalyptic number.

It is an amenable number.

10221770417 is a deficient number, since it is larger than the sum of its proper divisors (114851443).

10221770417 is an equidigital number, since it uses as much as digits as its factorization.

10221770417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114851442.

The product of its (nonzero) digits is 5488, while the sum is 32.

The spelling of 10221770417 in words is "ten billion, two hundred twenty-one million, seven hundred seventy thousand, four hundred seventeen".