620232224 has 24 divisors (see below), whose sum is σ = 1225638540. Its totient is φ = 308958976.

The previous prime is 620232211. The next prime is 620232227. The reversal of 620232224 is 422232026.

It can be written as a sum of positive squares in 2 ways, for example, as 477859600 + 142372624 = 21860^2 + 11932^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 620232224.

It is not an unprimeable number, because it can be changed into a prime (620232227) 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 3 ways as a sum of consecutive naturals, for example, 27419 + ... + 44634.

Almost surely, 2^620232224 is an apocalyptic number.

It is an amenable number.

620232224 is a deficient number, since it is larger than the sum of its proper divisors (605406316).

620232224 is a wasteful number, since it uses less digits than its factorization.

620232224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72332 (or 72324 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 620232224 is about 24904.4619295419. The cubic root of 620232224 is about 852.8083462464.

The spelling of 620232224 in words is "six hundred twenty million, two hundred thirty-two thousand, two hundred twenty-four".