422520052 has 6 divisors (see below), whose sum is σ = 739410098. Its totient is φ = 211260024.

The previous prime is 422520037. The next prime is 422520071. The reversal of 422520052 is 250025224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 415099876 + 7420176 = 20374^2 + 2724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52815003 + ... + 52815010.

Almost surely, 2^422520052 is an apocalyptic number.

It is an amenable number.

422520052 is a deficient number, since it is larger than the sum of its proper divisors (316890046).

422520052 is a wasteful number, since it uses less digits than its factorization.

422520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105630017 (or 105630015 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 422520052 is about 20555.2925544737. The cubic root of 422520052 is about 750.3820583792.

Adding to 422520052 its reverse (250025224), we get a palindrome (672545276).

The spelling of 422520052 in words is "four hundred twenty-two million, five hundred twenty thousand, fifty-two".