2269593921 has 16 divisors (see below), whose sum is σ = 3462627200. Its totient is φ = 1295336448.

The previous prime is 2269593901. The next prime is 2269593929. The reversal of 2269593921 is 1293959622.

It is a happy number.

It is not a de Polignac number, because 2269593921 - 2⁵ = 2269593889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2269593929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47776 + ... + 82593.

It is an arithmetic number, because the mean of its divisors is an integer number (216414200).

Almost surely, 2^2269593921 is an apocalyptic number.

2269593921 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2269593921 is a deficient number, since it is larger than the sum of its proper divisors (1193033279).

2269593921 is a wasteful number, since it uses less digits than its factorization.

2269593921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131208.

The product of its digits is 524880, while the sum is 48.

The square root of 2269593921 is about 47640.2552575026. The cubic root of 2269593921 is about 1314.1634568196.

The spelling of 2269593921 in words is "two billion, two hundred sixty-nine million, five hundred ninety-three thousand, nine hundred twenty-one".