522322240 has 56 divisors (see below), whose sum is σ = 1356859872. Its totient is φ = 189934080.

The previous prime is 522322231. The next prime is 522322259. The reversal of 522322240 is 42223225.

It is a happy number.

522322240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70674 + ... + 77713.

Almost surely, 2^522322240 is an apocalyptic number.

It is an amenable number.

522322240 is an abundant number, since it is smaller than the sum of its proper divisors (834537632).

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

522322240 is a wasteful number, since it uses less digits than its factorization.

522322240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148415 (or 148405 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 522322240 is about 22854.3702604119. The cubic root of 522322240 is about 805.3404370039.

Adding to 522322240 its reverse (42223225), we get a palindrome (564545465).

The spelling of 522322240 in words is "five hundred twenty-two million, three hundred twenty-two thousand, two hundred forty".