10220709 has 8 divisors (see below), whose sum is σ = 13644640. Its totient is φ = 6805296.

The previous prime is 10220699. The next prime is 10220711. The reversal of 10220709 is 90702201.

It is a happy number.

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

It is not a de Polignac number, because 10220709 - 2⁵ = 10220677 is a prime.

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 (10220729) 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, 1614 + ... + 4800.

It is an arithmetic number, because the mean of its divisors is an integer number (1705580).

Almost surely, 2^10220709 is an apocalyptic number.

It is an amenable number.

10220709 is a deficient number, since it is larger than the sum of its proper divisors (3423931).

10220709 is a wasteful number, since it uses less digits than its factorization.

10220709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 10220709 is about 3196.9843602996. The cubic root of 10220709 is about 217.0169594651.

The spelling of 10220709 in words is "ten million, two hundred twenty thousand, seven hundred nine".