64228198 has 8 divisors (see below), whose sum is σ = 96396408. Its totient is φ = 32096064.

The previous prime is 64228169. The next prime is 64228309. The reversal of 64228198 is 89182246.

64228198 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 super-2 number, since 2×64228198² = 8250522836654408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64228198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4011 + ... + 12022.

It is an arithmetic number, because the mean of its divisors is an integer number (12049551).

Almost surely, 2^64228198 is an apocalyptic number.

64228198 is a deficient number, since it is larger than the sum of its proper divisors (32168210).

64228198 is a wasteful number, since it uses less digits than its factorization.

64228198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18038.

The product of its digits is 55296, while the sum is 40.

The square root of 64228198 is about 8014.2496841563. The cubic root of 64228198 is about 400.4748485740.

The spelling of 64228198 in words is "sixty-four million, two hundred twenty-eight thousand, one hundred ninety-eight".