64224069 has 32 divisors (see below), whose sum is σ = 107864064. Its totient is φ = 33082560.

The previous prime is 64224029. The next prime is 64224071. The reversal of 64224069 is 96042246.

It is a happy number.

It is not a de Polignac number, because 64224069 - 2⁸ = 64223813 is a prime.

It is a super-2 number, since 2×64224069² = 8249462077833522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64224029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9004 + ... + 14474.

It is an arithmetic number, because the mean of its divisors is an integer number (3370752).

Almost surely, 2^64224069 is an apocalyptic number.

It is an amenable number.

64224069 is a deficient number, since it is larger than the sum of its proper divisors (43639995).

64224069 is a wasteful number, since it uses less digits than its factorization.

64224069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 64224069 is about 8013.9920763624. The cubic root of 64224069 is about 400.4662666939.

The spelling of 64224069 in words is "sixty-four million, two hundred twenty-four thousand, sixty-nine".