10735221 has 8 divisors (see below), whose sum is σ = 16358464. Its totient is φ = 6134400.

The previous prime is 10735213. The next prime is 10735229. The reversal of 10735221 is 12253701.

It is an interprime number because it is at equal distance from previous prime (10735213) and next prime (10735229).

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

It is not a de Polignac number, because 10735221 - 2³ = 10735213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 511201 = 10735221 / (1 + 0 + 7 + 3 + 5 + 2 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10735229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255580 + ... + 255621.

It is an arithmetic number, because the mean of its divisors is an integer number (2044808).

Almost surely, 2^10735221 is an apocalyptic number.

It is an amenable number.

10735221 is a deficient number, since it is larger than the sum of its proper divisors (5623243).

10735221 is an equidigital number, since it uses as much as digits as its factorization.

10735221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511211.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 10735221 is about 3276.4647106294. The cubic root of 10735221 is about 220.5990628557.

Adding to 10735221 its reverse (12253701), we get a palindrome (22988922).

The spelling of 10735221 in words is "ten million, seven hundred thirty-five thousand, two hundred twenty-one".