64224653 has 16 divisors (see below), whose sum is σ = 68006400. Its totient is φ = 60575040.

The previous prime is 64224631. The next prime is 64224689. The reversal of 64224653 is 35642246.

It is a cyclic number.

It is not a de Polignac number, because 64224653 - 2²⁰ = 63176077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64224613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280343 + ... + 280571.

It is an arithmetic number, because the mean of its divisors is an integer number (4250400).

Almost surely, 2^64224653 is an apocalyptic number.

It is an amenable number.

64224653 is a deficient number, since it is larger than the sum of its proper divisors (3781747).

64224653 is a wasteful number, since it uses less digits than its factorization.

64224653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its digits is 34560, while the sum is 32.

The square root of 64224653 is about 8014.0285125522. The cubic root of 64224653 is about 400.4674805254.

Adding to 64224653 its reverse (35642246), we get a palindrome (99866899).

The spelling of 64224653 in words is "sixty-four million, two hundred twenty-four thousand, six hundred fifty-three".