10221877 has 2 divisors, whose sum is σ = 10221878. Its totient is φ = 10221876.

The previous prime is 10221863. The next prime is 10221899. The reversal of 10221877 is 77812201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9492561 + 729316 = 3081^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221877 - 2²³ = 1833269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110938 + 5110939.

It is an arithmetic number, because the mean of its divisors is an integer number (5110939).

Almost surely, 2^10221877 is an apocalyptic number.

It is an amenable number.

10221877 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221877 is an equidigital number, since it uses as much as digits as its factorization.

10221877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 10221877 is about 3197.1670272289. The cubic root of 10221877 is about 217.0252258894.

The spelling of 10221877 in words is "ten million, two hundred twenty-one thousand, eight hundred seventy-seven".