620222440456 has 16 divisors (see below), whose sum is σ = 1231323962940. Its totient is φ = 291869383680.

The previous prime is 620222440379. The next prime is 620222440459. The reversal of 620222440456 is 654044222026.

It can be written as a sum of positive squares in 2 ways, for example, as 619945217956 + 277222500 = 787366^2 + 16650^2 .

It is not an unprimeable number, because it can be changed into a prime (620222440459) 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, 2280229425 + ... + 2280229696.

Almost surely, 2^620222440456 is an apocalyptic number.

It is an amenable number.

620222440456 is a deficient number, since it is larger than the sum of its proper divisors (611101522484).

620222440456 is a wasteful number, since it uses less digits than its factorization.

620222440456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560459144 (or 4560459140 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 620222440456 in words is "six hundred twenty billion, two hundred twenty-two million, four hundred forty thousand, four hundred fifty-six".