240022255 has 24 divisors (see below), whose sum is σ = 317597616. Its totient is φ = 174007680.

The previous prime is 240022249. The next prime is 240022271. The reversal of 240022255 is 552220042.

It is a happy number.

It is not a de Polignac number, because 240022255 - 2³ = 240022247 is a prime.

It is a super-2 number, since 2×240022255² = 115221365790570050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372964 + ... + 373606.

It is an arithmetic number, because the mean of its divisors is an integer number (13233234).

Almost surely, 2^240022255 is an apocalyptic number.

240022255 is a deficient number, since it is larger than the sum of its proper divisors (77575361).

240022255 is a wasteful number, since it uses less digits than its factorization.

240022255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 240022255 is about 15492.6516452155. The cubic root of 240022255 is about 621.4657093358.

Adding to 240022255 its reverse (552220042), we get a palindrome (792242297).

The spelling of 240022255 in words is "two hundred forty million, twenty-two thousand, two hundred fifty-five".