10002218477 has 2 divisors, whose sum is σ = 10002218478. Its totient is φ = 10002218476.

The previous prime is 10002218441. The next prime is 10002218483. The reversal of 10002218477 is 77481220001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7764076996 + 2238141481 = 88114^2 + 47309^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002218477 - 2⁸ = 10002218221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002218437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001109238 + 5001109239.

It is an arithmetic number, because the mean of its divisors is an integer number (5001109239).

Almost surely, 2^10002218477 is an apocalyptic number.

It is an amenable number.

10002218477 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002218477 is an equidigital number, since it uses as much as digits as its factorization.

10002218477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 32.

Adding to 10002218477 its reverse (77481220001), we get a palindrome (87483438478).

The spelling of 10002218477 in words is "ten billion, two million, two hundred eighteen thousand, four hundred seventy-seven".