522223405 has 8 divisors (see below), whose sum is σ = 683637984. Its totient is φ = 379798800.

The previous prime is 522223399. The next prime is 522223409. The reversal of 522223405 is 504322225.

It is a happy number.

522223405 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 522223405 - 2³ = 522223397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522223405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522223409) 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 7 ways as a sum of consecutive naturals, for example, 4747431 + ... + 4747540.

It is an arithmetic number, because the mean of its divisors is an integer number (85454748).

Almost surely, 2^522223405 is an apocalyptic number.

522223405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522223405 is a deficient number, since it is larger than the sum of its proper divisors (161414579).

522223405 is a wasteful number, since it uses less digits than its factorization.

522223405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494987.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 522223405 is about 22852.2078802027. The cubic root of 522223405 is about 805.2896376844.

The spelling of 522223405 in words is "five hundred twenty-two million, two hundred twenty-three thousand, four hundred five".