620223799 has 4 divisors (see below), whose sum is σ = 667933336. Its totient is φ = 572514264.

The previous prime is 620223749. The next prime is 620223803. The reversal of 620223799 is 997322026.

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

It is a cyclic number.

It is not a de Polignac number, because 620223799 - 2⁹ = 620223287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620223749) 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, 23854749 + ... + 23854774.

It is an arithmetic number, because the mean of its divisors is an integer number (166983334).

Almost surely, 2^620223799 is an apocalyptic number.

620223799 is a deficient number, since it is larger than the sum of its proper divisors (47709537).

620223799 is a wasteful number, since it uses less digits than its factorization.

620223799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47709536.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 620223799 is about 24904.2927825706. The cubic root of 620223799 is about 852.8044848202.

The spelling of 620223799 in words is "six hundred twenty million, two hundred twenty-three thousand, seven hundred ninety-nine".