2209972347 has 48 divisors (see below), whose sum is σ = 3619399680. Its totient is φ = 1287115200.

The previous prime is 2209972337. The next prime is 2209972363. The reversal of 2209972347 is 7432799022.

It is not a de Polignac number, because 2209972347 - 2¹⁴ = 2209955963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2209972337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 650022 + ... + 653412.

It is an arithmetic number, because the mean of its divisors is an integer number (75404160).

Almost surely, 2^2209972347 is an apocalyptic number.

2209972347 is a deficient number, since it is larger than the sum of its proper divisors (1409427333).

2209972347 is a wasteful number, since it uses less digits than its factorization.

2209972347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3661 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 2209972347 is about 47010.3429789658. The cubic root of 2209972347 is about 1302.5536288695.

The spelling of 2209972347 in words is "two billion, two hundred nine million, nine hundred seventy-two thousand, three hundred forty-seven".