628026422 has 8 divisors (see below), whose sum is σ = 942537816. Its totient is φ = 313847152.

The previous prime is 628026409. The next prime is 628026457. The reversal of 628026422 is 224620826.

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 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, 78248 + ... + 85899.

It is an arithmetic number, because the mean of its divisors is an integer number (117817227).

Almost surely, 2^628026422 is an apocalyptic number.

628026422 is a deficient number, since it is larger than the sum of its proper divisors (314511394).

628026422 is a wasteful number, since it uses less digits than its factorization.

628026422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166062.

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

The square root of 628026422 is about 25060.4553430300. The cubic root of 628026422 is about 856.3657808378.

The spelling of 628026422 in words is "six hundred twenty-eight million, twenty-six thousand, four hundred twenty-two".