422421505102 has 16 divisors (see below), whose sum is σ = 638533539072. Its totient is φ = 209577317560.

The previous prime is 422421505087. The next prime is 422421505117. The reversal of 422421505102 is 201505124224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (422421505087) and next prime (422421505117).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2703033 + ... + 2855035.

It is an arithmetic number, because the mean of its divisors is an integer number (39908346192).

Almost surely, 2^422421505102 is an apocalyptic number.

422421505102 is a deficient number, since it is larger than the sum of its proper divisors (216112033970).

422421505102 is a wasteful number, since it uses less digits than its factorization.

422421505102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162743.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 422421505102 its reverse (201505124224), we get a palindrome (623926629326).

The spelling of 422421505102 in words is "four hundred twenty-two billion, four hundred twenty-one million, five hundred five thousand, one hundred two".