622102206420 has 48 divisors (see below), whose sum is σ = 1935429088320. Its totient is φ = 165893921568.

The previous prime is 622102206389. The next prime is 622102206421. The reversal of 622102206420 is 24602201226.

It is a happy number.

622102206420 is a `hidden beast` number, since 6 + 2 + 2 + 10 + 2 + 2 + 0 + 642 + 0 = 666.

It is a super-2 number, since 2×622102206420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622102206421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576020022 + ... + 576021101.

It is an arithmetic number, because the mean of its divisors is an integer number (40321439340).

Almost surely, 2^622102206420 is an apocalyptic number.

622102206420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622102206420 is an abundant number, since it is smaller than the sum of its proper divisors (1313326881900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622102206420 is a wasteful number, since it uses less digits than its factorization.

622102206420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152041141 (or 1152041133 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 622102206420 its reverse (24602201226), we get a palindrome (646704407646).

The spelling of 622102206420 in words is "six hundred twenty-two billion, one hundred two million, two hundred six thousand, four hundred twenty".