2270091521 has 8 divisors (see below), whose sum is σ = 2305521504. Its totient is φ = 2234707200.

The previous prime is 2270091511. The next prime is 2270091539. The reversal of 2270091521 is 1251900722.

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 2270091521 - 2⁶ = 2270091457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2270091511) 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, 96686 + ... + 117848.

It is an arithmetic number, because the mean of its divisors is an integer number (288190188).

Almost surely, 2^2270091521 is an apocalyptic number.

It is an amenable number.

2270091521 is a deficient number, since it is larger than the sum of its proper divisors (35429983).

2270091521 is a wasteful number, since it uses less digits than its factorization.

2270091521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22831.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 2270091521 is about 47645.4774453987. The cubic root of 2270091521 is about 1314.2594916133.

The spelling of 2270091521 in words is "two billion, two hundred seventy million, ninety-one thousand, five hundred twenty-one".