2215313309 has 16 divisors (see below), whose sum is σ = 2435097600. Its totient is φ = 1998648000.

The previous prime is 2215313293. The next prime is 2215313323. The reversal of 2215313309 is 9033135122.

It is a cyclic number.

It is not a de Polignac number, because 2215313309 - 2⁴ = 2215313293 is a prime.

It is a super-2 number, since 2×2215313309² = 9815226114065058962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215310309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135667 + ... + 1137615.

It is an arithmetic number, because the mean of its divisors is an integer number (152193600).

Almost surely, 2^2215313309 is an apocalyptic number.

It is an amenable number.

2215313309 is a deficient number, since it is larger than the sum of its proper divisors (219784291).

2215313309 is a wasteful number, since it uses less digits than its factorization.

2215313309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 2215313309 is about 47067.1149423884. The cubic root of 2215313309 is about 1303.6021024082.

The spelling of 2215313309 in words is "two billion, two hundred fifteen million, three hundred thirteen thousand, three hundred nine".