64224461 has 8 divisors (see below), whose sum is σ = 73868160. Its totient is φ = 54697968.

The previous prime is 64224443. The next prime is 64224463. The reversal of 64224461 is 16442246.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64224461 - 2¹⁸ = 63962317 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 (64224463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28121 + ... + 30318.

It is an arithmetic number, because the mean of its divisors is an integer number (9233520).

Almost surely, 2^64224461 is an apocalyptic number.

It is an amenable number.

64224461 is a deficient number, since it is larger than the sum of its proper divisors (9643699).

64224461 is a wasteful number, since it uses less digits than its factorization.

64224461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58603.

The product of its digits is 9216, while the sum is 29.

The square root of 64224461 is about 8014.0165335492. The cubic root of 64224461 is about 400.4670814583.

The spelling of 64224461 in words is "sixty-four million, two hundred twenty-four thousand, four hundred sixty-one".