628282242 has 24 divisors (see below), whose sum is σ = 1555746816. Its totient is φ = 179509176.

The previous prime is 628282241. The next prime is 628282247. The reversal of 628282242 is 242282826.

628282242 is a `hidden beast` number, since 628 + 2 + 8 + 2 + 24 + 2 = 666.

It is a super-2 number, since 2×628282242² = 789477151225093128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 628282197 and 628282206.

It is not an unprimeable number, because it can be changed into a prime (628282241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2493058 + ... + 2493309.

It is an arithmetic number, because the mean of its divisors is an integer number (64822784).

Almost surely, 2^628282242 is an apocalyptic number.

628282242 is an abundant number, since it is smaller than the sum of its proper divisors (927464574).

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

628282242 is a wasteful number, since it uses less digits than its factorization.

628282242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986382 (or 4986379 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 628282242 is about 25065.5588806633. The cubic root of 628282242 is about 856.4820422705.

The spelling of 628282242 in words is "six hundred twenty-eight million, two hundred eighty-two thousand, two hundred forty-two".