620708822 has 4 divisors (see below), whose sum is σ = 931063236. Its totient is φ = 310354410.

The previous prime is 620708801. The next prime is 620708833. The reversal of 620708822 is 228807026.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155177204 + ... + 155177207.

It is an arithmetic number, because the mean of its divisors is an integer number (232765809).

Almost surely, 2^620708822 is an apocalyptic number.

620708822 is a deficient number, since it is larger than the sum of its proper divisors (310354414).

620708822 is a wasteful number, since it uses less digits than its factorization.

620708822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310354413.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 620708822 is about 24914.0286184310. The cubic root of 620708822 is about 853.0267282619.

The spelling of 620708822 in words is "six hundred twenty million, seven hundred eight thousand, eight hundred twenty-two".