10222646477 has 4 divisors (see below), whose sum is σ = 10223503356. Its totient is φ = 10221789600.

The previous prime is 10222646461. The next prime is 10222646543. The reversal of 10222646477 is 77464622201.

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 9970821316 + 251825161 = 99854^2 + 15869^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222646477 - 2⁴ = 10222646461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222646377) 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, 410288 + ... + 434489.

It is an arithmetic number, because the mean of its divisors is an integer number (2555875839).

Almost surely, 2^10222646477 is an apocalyptic number.

It is an amenable number.

10222646477 is a deficient number, since it is larger than the sum of its proper divisors (856879).

10222646477 is an equidigital number, since it uses as much as digits as its factorization.

10222646477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856878.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 10222646477 in words is "ten billion, two hundred twenty-two million, six hundred forty-six thousand, four hundred seventy-seven".