64862233 has 4 divisors (see below), whose sum is σ = 65297700. Its totient is φ = 64426768.

The previous prime is 64862227. The next prime is 64862243. The reversal of 64862233 is 33226846.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11235904 + 53626329 = 3352^2 + 7323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64862233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64862243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217510 + ... + 217807.

It is an arithmetic number, because the mean of its divisors is an integer number (16324425).

Almost surely, 2^64862233 is an apocalyptic number.

It is an amenable number.

64862233 is a deficient number, since it is larger than the sum of its proper divisors (435467).

64862233 is a wasteful number, since it uses less digits than its factorization.

64862233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435466.

The product of its digits is 41472, while the sum is 34.

The square root of 64862233 is about 8053.7092696471. The cubic root of 64862233 is about 401.7883116884.

The spelling of 64862233 in words is "sixty-four million, eight hundred sixty-two thousand, two hundred thirty-three".