2226977209 has 4 divisors (see below), whose sum is σ = 2227386240. Its totient is φ = 2226568180.

The previous prime is 2226977191. The next prime is 2226977227. The reversal of 2226977209 is 9027796222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2226977191) and next prime (2226977227).

It is a cyclic number.

It is not a de Polignac number, because 2226977209 - 2¹⁷ = 2226846137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2226977609) 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, 196237 + ... + 207274.

It is an arithmetic number, because the mean of its divisors is an integer number (556846560).

Almost surely, 2^2226977209 is an apocalyptic number.

It is an amenable number.

2226977209 is a deficient number, since it is larger than the sum of its proper divisors (409031).

2226977209 is an equidigital number, since it uses as much as digits as its factorization.

2226977209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409030.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 2226977209 is about 47190.8593797570. The cubic root of 2226977209 is about 1305.8859745105.

The spelling of 2226977209 in words is "two billion, two hundred twenty-six million, nine hundred seventy-seven thousand, two hundred nine".