422015553 has 6 divisors (see below), whose sum is σ = 609578034. Its totient is φ = 281343696.

The previous prime is 422015527. The next prime is 422015579. The reversal of 422015553 is 355510224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (422015527) and next prime (422015579).

It can be written as a sum of positive squares in only one way, i.e., 367373889 + 54641664 = 19167^2 + 7392^2 .

It is not a de Polignac number, because 422015553 - 2¹⁴ = 421999169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422015053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23445300 + ... + 23445317.

It is an arithmetic number, because the mean of its divisors is an integer number (101596339).

Almost surely, 2^422015553 is an apocalyptic number.

It is an amenable number.

422015553 is a deficient number, since it is larger than the sum of its proper divisors (187562481).

422015553 is a wasteful number, since it uses less digits than its factorization.

422015553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46890623 (or 46890620 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 422015553 is about 20543.0171347833. The cubic root of 422015553 is about 750.0832814186.

Adding to 422015553 its reverse (355510224), we get a palindrome (777525777).

The spelling of 422015553 in words is "four hundred twenty-two million, fifteen thousand, five hundred fifty-three".