64229199 has 4 divisors (see below), whose sum is σ = 85638936. Its totient is φ = 42819464.

The previous prime is 64229197. The next prime is 64229203. The reversal of 64229199 is 99192246.

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

It is a cyclic number.

It is not a de Polignac number, because 64229199 - 2¹ = 64229197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64229199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64229197) 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, 10704864 + ... + 10704869.

It is an arithmetic number, because the mean of its divisors is an integer number (21409734).

Almost surely, 2^64229199 is an apocalyptic number.

64229199 is a deficient number, since it is larger than the sum of its proper divisors (21409737).

64229199 is a wasteful number, since it uses less digits than its factorization.

64229199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21409736.

The product of its digits is 69984, while the sum is 42.

The square root of 64229199 is about 8014.3121351742. The cubic root of 64229199 is about 400.4769290374.

The spelling of 64229199 in words is "sixty-four million, two hundred twenty-nine thousand, one hundred ninety-nine".