64224303 has 48 divisors (see below), whose sum is σ = 105538944. Its totient is φ = 34246080.

The previous prime is 64224301. The next prime is 64224361. The reversal of 64224303 is 30342246.

It is a happy number.

It is not a de Polignac number, because 64224303 - 2¹ = 64224301 is a prime.

It is a super-2 number, since 2×64224303² = 8249522191671618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64224301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226800 + ... + 227082.

It is an arithmetic number, because the mean of its divisors is an integer number (2198728).

Almost surely, 2^64224303 is an apocalyptic number.

64224303 is a deficient number, since it is larger than the sum of its proper divisors (41314641).

64224303 is a wasteful number, since it uses less digits than its factorization.

64224303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 64224303 is about 8014.0066758145. The cubic root of 64224303 is about 400.4667530588.

Adding to 64224303 its reverse (30342246), we get a palindrome (94566549).

The spelling of 64224303 in words is "sixty-four million, two hundred twenty-four thousand, three hundred three".