10220399 has 8 divisors (see below), whose sum is σ = 11996448. Its totient is φ = 8523360.

The previous prime is 10220387. The next prime is 10220411. The reversal of 10220399 is 99302201.

It is an interprime number because it is at equal distance from previous prime (10220387) and next prime (10220411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10220399 - 2⁸ = 10220143 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 (10220339) 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 in 7 ways as a sum of consecutive naturals, for example, 19472 + ... + 19989.

It is an arithmetic number, because the mean of its divisors is an integer number (1499556).

Almost surely, 2^10220399 is an apocalyptic number.

10220399 is a deficient number, since it is larger than the sum of its proper divisors (1776049).

10220399 is an equidigital number, since it uses as much as digits as its factorization.

10220399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39505.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 10220399 is about 3196.9358767420. The cubic root of 10220399 is about 217.0147653597.

The spelling of 10220399 in words is "ten million, two hundred twenty thousand, three hundred ninety-nine".