421625115063622 has 16 divisors (see below), whose sum is σ = 637878138253632. Its totient is φ = 209003050294720.

The previous prime is 421625115063587. The next prime is 421625115063629. The reversal of 421625115063622 is 226360511526124.

It is a super-2 number, since 2×421625115063622² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421625115063629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995116654 + ... + 995540257.

It is an arithmetic number, because the mean of its divisors is an integer number (39867383640852).

Almost surely, 2^{421625115063622} is an apocalyptic number.

421625115063622 is a deficient number, since it is larger than the sum of its proper divisors (216253023190010).

421625115063622 is a wasteful number, since it uses less digits than its factorization.

421625115063622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990657823.

The product of its (nonzero) digits is 1036800, while the sum is 46.

Adding to 421625115063622 its reverse (226360511526124), we get a palindrome (647985626589746).

The spelling of 421625115063622 in words is "four hundred twenty-one trillion, six hundred twenty-five billion, one hundred fifteen million, sixty-three thousand, six hundred twenty-two".