10229279 has 4 divisors (see below), whose sum is σ = 10505784. Its totient is φ = 9952776.

The previous prime is 10229269. The next prime is 10229299. The reversal of 10229279 is 97292201.

10229279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10229279 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 (10229209) 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, 138197 + ... + 138270.

It is an arithmetic number, because the mean of its divisors is an integer number (2626446).

Almost surely, 2^10229279 is an apocalyptic number.

10229279 is a deficient number, since it is larger than the sum of its proper divisors (276505).

10229279 is an equidigital number, since it uses as much as digits as its factorization.

10229279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276504.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 10229279 is about 3198.3244050596. The cubic root of 10229279 is about 217.0775983035.

It can be divided in two parts, 1022 and 9279, that added together give a palindrome (10301).

The spelling of 10229279 in words is "ten million, two hundred twenty-nine thousand, two hundred seventy-nine".