620446222 has 8 divisors (see below), whose sum is σ = 1015275672. Its totient is φ = 282021000.

The previous prime is 620446219. The next prime is 620446223. The reversal of 620446222 is 222644026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620446223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14101029 + ... + 14101072.

It is an arithmetic number, because the mean of its divisors is an integer number (126909459).

Almost surely, 2^620446222 is an apocalyptic number.

620446222 is a deficient number, since it is larger than the sum of its proper divisors (394829450).

620446222 is a wasteful number, since it uses less digits than its factorization.

620446222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28202114.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 620446222 is about 24908.7579377214. The cubic root of 620446222 is about 852.9064161242.

The spelling of 620446222 in words is "six hundred twenty million, four hundred forty-six thousand, two hundred twenty-two".