2228945197 has 8 divisors (see below), whose sum is σ = 2288482560. Its totient is φ = 2169654240.

The previous prime is 2228945183. The next prime is 2228945207. The reversal of 2228945197 is 7915498222.

It is a happy number.

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 2228945197 - 2¹¹ = 2228943149 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 2228945197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228985197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43197 + ... + 79522.

It is an arithmetic number, because the mean of its divisors is an integer number (286060320).

Almost surely, 2^2228945197 is an apocalyptic number.

It is an amenable number.

2228945197 is a deficient number, since it is larger than the sum of its proper divisors (59537363).

2228945197 is a wasteful number, since it uses less digits than its factorization.

2228945197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123203.

The product of its digits is 725760, while the sum is 49.

The square root of 2228945197 is about 47211.7061437097. The cubic root of 2228945197 is about 1306.2705333433.

The spelling of 2228945197 in words is "two billion, two hundred twenty-eight million, nine hundred forty-five thousand, one hundred ninety-seven".