10221469 has 2 divisors, whose sum is σ = 10221470. Its totient is φ = 10221468.

The previous prime is 10221467. The next prime is 10221481. The reversal of 10221469 is 96412201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 45369 = 3190^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221469 - 2¹ = 10221467 is a prime.

It is a super-2 number, since 2×10221469² = 208956857035922, which contains 22 as substring.

Together with 10221467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110734 + 5110735.

It is an arithmetic number, because the mean of its divisors is an integer number (5110735).

Almost surely, 2^10221469 is an apocalyptic number.

It is an amenable number.

10221469 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221469 is an equidigital number, since it uses as much as digits as its factorization.

10221469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10221469 is about 3197.1032201041. The cubic root of 10221469 is about 217.0223383744.

The spelling of 10221469 in words is "ten million, two hundred twenty-one thousand, four hundred sixty-nine".