422020555 has 32 divisors (see below), whose sum is σ = 563189760. Its totient is φ = 301025280.

The previous prime is 422020549. The next prime is 422020601. The reversal of 422020555 is 555020224.

It is a happy number.

It is not a de Polignac number, because 422020555 - 2¹¹ = 422018507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880806 + ... + 881284.

It is an arithmetic number, because the mean of its divisors is an integer number (17599680).

Almost surely, 2^422020555 is an apocalyptic number.

422020555 is a deficient number, since it is larger than the sum of its proper divisors (141169205).

422020555 is a wasteful number, since it uses less digits than its factorization.

422020555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 422020555 is about 20543.1388789542. The cubic root of 422020555 is about 750.0862448969.

Adding to 422020555 its reverse (555020224), we get a palindrome (977040779).

The spelling of 422020555 in words is "four hundred twenty-two million, twenty thousand, five hundred fifty-five".