2240215255 has 4 divisors (see below), whose sum is σ = 2688258312. Its totient is φ = 1792172200.

The previous prime is 2240215253. The next prime is 2240215261. The reversal of 2240215255 is 5525120422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2240215255 - 2¹ = 2240215253 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 (2240215253) 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, 224021521 + ... + 224021530.

It is an arithmetic number, because the mean of its divisors is an integer number (672064578).

Almost surely, 2^2240215255 is an apocalyptic number.

2240215255 is a deficient number, since it is larger than the sum of its proper divisors (448043057).

2240215255 is an equidigital number, since it uses as much as digits as its factorization.

2240215255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448043056.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2240215255 is about 47330.9122561567. The cubic root of 2240215255 is about 1308.4684342436.

Adding to 2240215255 its reverse (5525120422), we get a palindrome (7765335677).

The spelling of 2240215255 in words is "two billion, two hundred forty million, two hundred fifteen thousand, two hundred fifty-five".