64224458 has 8 divisors (see below), whose sum is σ = 97774752. Its totient is φ = 31632876.

The previous prime is 64224443. The next prime is 64224463. The reversal of 64224458 is 85442246.

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

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, 239510 + ... + 239777.

It is an arithmetic number, because the mean of its divisors is an integer number (12221844).

Almost surely, 2^64224458 is an apocalyptic number.

64224458 is a deficient number, since it is larger than the sum of its proper divisors (33550294).

64224458 is a wasteful number, since it uses less digits than its factorization.

64224458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479356.

The product of its digits is 61440, while the sum is 35.

The square root of 64224458 is about 8014.0163463771. The cubic root of 64224458 is about 400.4670752229.

The spelling of 64224458 in words is "sixty-four million, two hundred twenty-four thousand, four hundred fifty-eight".