2272029397 has 12 divisors (see below), whose sum is σ = 2532462336. Its totient is φ = 2021513240.

The previous prime is 2272029377. The next prime is 2272029427. The reversal of 2272029397 is 7939202722.

It is not a de Polignac number, because 2272029397 - 2⁷ = 2272029269 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 (2272029337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22453 + ... + 71050.

It is an arithmetic number, because the mean of its divisors is an integer number (211038528).

Almost surely, 2^2272029397 is an apocalyptic number.

It is an amenable number.

2272029397 is a deficient number, since it is larger than the sum of its proper divisors (260432939).

2272029397 is an equidigital number, since it uses as much as digits as its factorization.

2272029397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93608 (or 93561 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 2272029397 is about 47665.8095179343. The cubic root of 2272029397 is about 1314.6333601746.

The spelling of 2272029397 in words is "two billion, two hundred seventy-two million, twenty-nine thousand, three hundred ninety-seven".