2240919469 has 4 divisors (see below), whose sum is σ = 2245221180. Its totient is φ = 2236617760.

The previous prime is 2240919449. The next prime is 2240919479. The reversal of 2240919469 is 9649190422.

It is a happy number.

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 1306822500 + 934096969 = 36150^2 + 30563^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240919469 - 2¹¹ = 2240917421 is a prime.

It is a super-2 number, since 2×2240919469² = 10043440133086483922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240919449) 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 3 ways as a sum of consecutive naturals, for example, 2150074 + ... + 2151115.

It is an arithmetic number, because the mean of its divisors is an integer number (561305295).

Almost surely, 2^2240919469 is an apocalyptic number.

It is an amenable number.

2240919469 is a deficient number, since it is larger than the sum of its proper divisors (4301711).

2240919469 is an equidigital number, since it uses as much as digits as its factorization.

2240919469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301710.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2240919469 is about 47338.3509324100. The cubic root of 2240919469 is about 1308.6055260183.

The spelling of 2240919469 in words is "two billion, two hundred forty million, nine hundred nineteen thousand, four hundred sixty-nine".