620222032221 has 64 divisors (see below), whose sum is σ = 912945945600. Its totient is φ = 371427840000.

The previous prime is 620222032217. The next prime is 620222032247. The reversal of 620222032221 is 122230222026.

It is not a de Polignac number, because 620222032221 - 2² = 620222032217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620222032191 and 620222032200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620222032721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 884767171 + ... + 884767871.

It is an arithmetic number, because the mean of its divisors is an integer number (14264780400).

Almost surely, 2^620222032221 is an apocalyptic number.

It is an amenable number.

620222032221 is a deficient number, since it is larger than the sum of its proper divisors (292723913379).

620222032221 is a wasteful number, since it uses less digits than its factorization.

620222032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 620222032221 its reverse (122230222026), we get a palindrome (742452254247).

The spelling of 620222032221 in words is "six hundred twenty billion, two hundred twenty-two million, thirty-two thousand, two hundred twenty-one".