2270921969 has 4 divisors (see below), whose sum is σ = 2308150260. Its totient is φ = 2233693680.

The previous prime is 2270921927. The next prime is 2270921987. The reversal of 2270921969 is 9691290722.

2270921969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27952369 + 2242969600 = 5287^2 + 47360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2270921969 - 2⁸ = 2270921713 is a prime.

It is a super-2 number, since 2×2270921969² = 10314173178573673922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2270921909) 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, 18614054 + ... + 18614175.

It is an arithmetic number, because the mean of its divisors is an integer number (577037565).

Almost surely, 2^2270921969 is an apocalyptic number.

It is an amenable number.

2270921969 is a deficient number, since it is larger than the sum of its proper divisors (37228291).

2270921969 is an equidigital number, since it uses as much as digits as its factorization.

2270921969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37228290.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 2270921969 is about 47654.1915155425. The cubic root of 2270921969 is about 1314.4197334793.

The spelling of 2270921969 in words is "two billion, two hundred seventy million, nine hundred twenty-one thousand, nine hundred sixty-nine".