2270172109 has 4 divisors (see below), whose sum is σ = 2273912704. Its totient is φ = 2266431516.

The previous prime is 2270172089. The next prime is 2270172133. The reversal of 2270172109 is 9012710722.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2270172109 - 2²¹ = 2268074957 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 (2270172169) 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, 1869387 + ... + 1870600.

It is an arithmetic number, because the mean of its divisors is an integer number (568478176).

Almost surely, 2^2270172109 is an apocalyptic number.

It is an amenable number.

2270172109 is a deficient number, since it is larger than the sum of its proper divisors (3740595).

2270172109 is an equidigital number, since it uses as much as digits as its factorization.

2270172109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740594.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 2270172109 is about 47646.3231425049. The cubic root of 2270172109 is about 1314.2750434518.

The spelling of 2270172109 in words is "two billion, two hundred seventy million, one hundred seventy-two thousand, one hundred nine".