2273989197 has 8 divisors (see below), whose sum is σ = 3033617056. Its totient is φ = 1515177072.

The previous prime is 2273989189. The next prime is 2273989213. The reversal of 2273989197 is 7919893722.

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

It is not a de Polignac number, because 2273989197 - 2³ = 2273989189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273989397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197398 + ... + 208599.

It is an arithmetic number, because the mean of its divisors is an integer number (379202132).

Almost surely, 2^2273989197 is an apocalyptic number.

It is an amenable number.

2273989197 is a deficient number, since it is larger than the sum of its proper divisors (759627859).

2273989197 is a wasteful number, since it uses less digits than its factorization.

2273989197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407867.

The product of its digits is 3429216, while the sum is 57.

The square root of 2273989197 is about 47686.3627990225. The cubic root of 2273989197 is about 1315.0112423198.

The spelling of 2273989197 in words is "two billion, two hundred seventy-three million, nine hundred eighty-nine thousand, one hundred ninety-seven".