520226455 has 16 divisors (see below), whose sum is σ = 722488320. Its totient is φ = 352209312.

The previous prime is 520226453. The next prime is 520226461. The reversal of 520226455 is 554622025.

It is a happy number.

It is not a de Polignac number, because 520226455 - 2¹ = 520226453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520226453) 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 15 ways as a sum of consecutive naturals, for example, 91309 + ... + 96838.

It is an arithmetic number, because the mean of its divisors is an integer number (45155520).

Almost surely, 2^520226455 is an apocalyptic number.

520226455 is a deficient number, since it is larger than the sum of its proper divisors (202261865).

520226455 is a wasteful number, since it uses less digits than its factorization.

520226455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188238.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 520226455 is about 22808.4733158535. The cubic root of 520226455 is about 804.2618672704.

The spelling of 520226455 in words is "five hundred twenty million, two hundred twenty-six thousand, four hundred fifty-five".