64263224 has 8 divisors (see below), whose sum is σ = 120493560. Its totient is φ = 32131608.

The previous prime is 64263211. The next prime is 64263257. The reversal of 64263224 is 42236246.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4016444 + ... + 4016459.

It is an arithmetic number, because the mean of its divisors is an integer number (15061695).

Almost surely, 2^64263224 is an apocalyptic number.

It is an amenable number.

64263224 is a deficient number, since it is larger than the sum of its proper divisors (56230336).

64263224 is a wasteful number, since it uses less digits than its factorization.

64263224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032909 (or 8032905 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 64263224 is about 8016.4346189562. The cubic root of 64263224 is about 400.5476332358.

The spelling of 64263224 in words is "sixty-four million, two hundred sixty-three thousand, two hundred twenty-four".