555022240 has 24 divisors (see below), whose sum is σ = 1311240420. Its totient is φ = 222008832.

The previous prime is 555022229. The next prime is 555022249. The reversal of 555022240 is 42220555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 537683344 + 17338896 = 23188^2 + 4164^2 .

It is not an unprimeable number, because it can be changed into a prime (555022249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734285 + ... + 1734604.

Almost surely, 2^555022240 is an apocalyptic number.

It is an amenable number.

555022240 is an abundant number, since it is smaller than the sum of its proper divisors (756218180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555022240 is a wasteful number, since it uses less digits than its factorization.

555022240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468904 (or 3468896 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 555022240 is about 23558.9099917632. The cubic root of 555022240 is about 821.8075533716.

Adding to 555022240 its reverse (42220555), we get a palindrome (597242795).

The spelling of 555022240 in words is "five hundred fifty-five million, twenty-two thousand, two hundred forty".