2252347969 has 4 divisors (see below), whose sum is σ = 2384839044. Its totient is φ = 2119856896.

The previous prime is 2252347961. The next prime is 2252347973. The reversal of 2252347969 is 9697432522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9697432522 = 2 ⋅4848716261.

It can be written as a sum of positive squares in 2 ways, for example, as 843321600 + 1409026369 = 29040^2 + 37537^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252347969 - 2³ = 2252347961 is a prime.

It is a super-2 number, since 2×2252347969² = 10146142746916849922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252347961) 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, 66245512 + ... + 66245545.

It is an arithmetic number, because the mean of its divisors is an integer number (596209761).

Almost surely, 2^2252347969 is an apocalyptic number.

It is an amenable number.

2252347969 is a deficient number, since it is larger than the sum of its proper divisors (132491075).

2252347969 is a wasteful number, since it uses less digits than its factorization.

2252347969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132491074.

The product of its digits is 1632960, while the sum is 49.

The square root of 2252347969 is about 47458.9082154236. The cubic root of 2252347969 is about 1310.8263475000.

The spelling of 2252347969 in words is "two billion, two hundred fifty-two million, three hundred forty-seven thousand, nine hundred sixty-nine".