64233194 has 4 divisors (see below), whose sum is σ = 96349794. Its totient is φ = 32116596.

The previous prime is 64233187. The next prime is 64233199. The reversal of 64233194 is 49133246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61387225 + 2845969 = 7835^2 + 1687^2 .

It is a super-2 number, since 2×64233194² = 8251806422883272, 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 64233194.

It is not an unprimeable number, because it can be changed into a prime (64233199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16058297 + ... + 16058300.

Almost surely, 2^64233194 is an apocalyptic number.

64233194 is a deficient number, since it is larger than the sum of its proper divisors (32116600).

64233194 is a wasteful number, since it uses less digits than its factorization.

64233194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32116599.

The product of its digits is 15552, while the sum is 32.

The square root of 64233194 is about 8014.5613729012. The cubic root of 64233194 is about 400.4852319702.

The spelling of 64233194 in words is "sixty-four million, two hundred thirty-three thousand, one hundred ninety-four".