64224628 has 24 divisors (see below), whose sum is σ = 123857888. Its totient is φ = 28951776.

The previous prime is 64224619. The next prime is 64224631. The reversal of 64224628 is 82642246.

It is a junction number, because it is equal to n+sod(n) for n = 64224593 and 64224602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12126 + ... + 16597.

Almost surely, 2^64224628 is an apocalyptic number.

It is an amenable number.

64224628 is a deficient number, since it is larger than the sum of its proper divisors (59633260).

64224628 is a wasteful number, since it uses less digits than its factorization.

64224628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28783 (or 28781 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 64224628 is about 8014.0269527872. The cubic root of 64224628 is about 400.4674285636.

The spelling of 64224628 in words is "sixty-four million, two hundred twenty-four thousand, six hundred twenty-eight".