520422224025 has 48 divisors (see below), whose sum is σ = 940454860608. Its totient is φ = 251841408000.

The previous prime is 520422223963. The next prime is 520422224039.

520422224025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520422224025 - 2⁹ = 520422223513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520422223983 and 520422224001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175564 + ... + 1035213.

It is an arithmetic number, because the mean of its divisors is an integer number (19592809596).

Almost surely, 2^520422224025 is an apocalyptic number.

520422224025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520422224025 is a deficient number, since it is larger than the sum of its proper divisors (420032636583).

520422224025 is a wasteful number, since it uses less digits than its factorization.

520422224025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211322 (or 1211317 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

It can be divided in two parts, 520422 and 224025, that added together give a palindrome (744447).

The spelling of 520422224025 in words is "five hundred twenty billion, four hundred twenty-two million, two hundred twenty-four thousand, twenty-five".