10220438 has 8 divisors (see below), whose sum is σ = 15540888. Its totient is φ = 5040144.

The previous prime is 10220437. The next prime is 10220447. The reversal of 10220438 is 83402201.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220437) 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, 34856 + ... + 35147.

It is an arithmetic number, because the mean of its divisors is an integer number (1942611).

Almost surely, 2^10220438 is an apocalyptic number.

10220438 is a deficient number, since it is larger than the sum of its proper divisors (5320450).

10220438 is an equidigital number, since it uses as much as digits as its factorization.

10220438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70078.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 10220438 is about 3196.9419763268. The cubic root of 10220438 is about 217.0150413947.

Adding to 10220438 its reverse (83402201), we get a palindrome (93622639).

The spelling of 10220438 in words is "ten million, two hundred twenty thousand, four hundred thirty-eight".