522122004 has 24 divisors (see below), whose sum is σ = 1353649920. Its totient is φ = 174040632.

The previous prime is 522121991. The next prime is 522122021. The reversal of 522122004 is 400221225.

It is a super-2 number, since 2×522122004² = 545222774121952032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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, 2417124 + ... + 2417339.

It is an arithmetic number, because the mean of its divisors is an integer number (56402080).

Almost surely, 2^522122004 is an apocalyptic number.

522122004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

522122004 is an abundant number, since it is smaller than the sum of its proper divisors (831527916).

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

522122004 is a wasteful number, since it uses less digits than its factorization.

522122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834476 (or 4834468 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 522122004 is about 22849.9891466057. The cubic root of 522122004 is about 805.2375128278.

Adding to 522122004 its reverse (400221225), we get a palindrome (922343229).

It can be divided in two parts, 5221 and 22004, that added together give a square (27225 = 165²).

The spelling of 522122004 in words is "five hundred twenty-two million, one hundred twenty-two thousand, four".