2266921709 has 8 divisors (see below), whose sum is σ = 2442840120. Its totient is φ = 2091223296.

The previous prime is 2266921691. The next prime is 2266921739. The reversal of 2266921709 is 9071296622.

It can be written as a sum of positive squares in 4 ways, for example, as 66373609 + 2200548100 = 8147^2 + 46910^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2266921709 - 2¹² = 2266917613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2266921709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266921739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33272 + ... + 75105.

It is an arithmetic number, because the mean of its divisors is an integer number (305355015).

Almost surely, 2^2266921709 is an apocalyptic number.

It is an amenable number.

2266921709 is a deficient number, since it is larger than the sum of its proper divisors (175918411).

2266921709 is a wasteful number, since it uses less digits than its factorization.

2266921709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109999.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2266921709 is about 47612.2012618614. The cubic root of 2266921709 is about 1313.6474904377.

The spelling of 2266921709 in words is "two billion, two hundred sixty-six million, nine hundred twenty-one thousand, seven hundred nine".