620222748 has 24 divisors (see below), whose sum is σ = 1474493328. Its totient is φ = 202839936.

The previous prime is 620222723. The next prime is 620222789. The reversal of 620222748 is 847222026.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 486961 + ... + 488232.

It is an arithmetic number, because the mean of its divisors is an integer number (61437222).

Almost surely, 2^620222748 is an apocalyptic number.

It is an amenable number.

620222748 is an abundant number, since it is smaller than the sum of its proper divisors (854270580).

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

620222748 is a wasteful number, since it uses less digits than its factorization.

620222748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975253 (or 975251 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 620222748 is about 24904.2716817818. The cubic root of 620222748 is about 852.8040031134.

The spelling of 620222748 in words is "six hundred twenty million, two hundred twenty-two thousand, seven hundred forty-eight".