628220246 has 8 divisors (see below), whose sum is σ = 942553584. Its totient is φ = 314035720.

The previous prime is 628220233. The next prime is 628220287. The reversal of 628220246 is 642022826.

628220246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25970 + ... + 43941.

It is an arithmetic number, because the mean of its divisors is an integer number (117819198).

Almost surely, 2^628220246 is an apocalyptic number.

628220246 is a deficient number, since it is larger than the sum of its proper divisors (314333338).

628220246 is a wasteful number, since it uses less digits than its factorization.

628220246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74406.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 628220246 is about 25064.3221731608. The cubic root of 628220246 is about 856.4538701085.

The spelling of 628220246 in words is "six hundred twenty-eight million, two hundred twenty thousand, two hundred forty-six".