64246224 has 80 divisors (see below), whose sum is σ = 191559168. Its totient is φ = 18174336.

The previous prime is 64246207. The next prime is 64246243. The reversal of 64246224 is 42264246.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 64246191 and 64246200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35059 + ... + 36845.

Almost surely, 2^64246224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64246224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95779584).

64246224 is an abundant number, since it is smaller than the sum of its proper divisors (127312944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64246224 is a wasteful number, since it uses less digits than its factorization.

64246224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1906 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 64246224 is about 8015.3742270714. The cubic root of 64246224 is about 400.5123102321.

The spelling of 64246224 in words is "sixty-four million, two hundred forty-six thousand, two hundred twenty-four".