10220401 has 4 divisors (see below), whose sum is σ = 10238692. Its totient is φ = 10202112.

The previous prime is 10220387. The next prime is 10220411. The reversal of 10220401 is 10402201.

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 9928801 + 291600 = 3151^2 + 540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220411) 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, 8280 + ... + 9433.

It is an arithmetic number, because the mean of its divisors is an integer number (2559673).

Almost surely, 2^10220401 is an apocalyptic number.

It is an amenable number.

10220401 is a deficient number, since it is larger than the sum of its proper divisors (18291).

10220401 is an equidigital number, since it uses as much as digits as its factorization.

10220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18290.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 10220401 is about 3196.9361895415. The cubic root of 10220401 is about 217.0147795154.

Adding to 10220401 its reverse (10402201), we get a palindrome (20622602).

It can be divided in two parts, 102 and 20401, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 10220401 in words is "ten million, two hundred twenty thousand, four hundred one".