10219648 has 16 divisors (see below), whose sum is σ = 20359710. Its totient is φ = 5109760.

The previous prime is 10219639. The next prime is 10219661. The reversal of 10219648 is 84691201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7884864 + 2334784 = 2808^2 + 1528^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39793 + ... + 40048.

Almost surely, 2^10219648 is an apocalyptic number.

It is an amenable number.

10219648 is a deficient number, since it is larger than the sum of its proper divisors (10140062).

10219648 is an frugal number, since it uses more digits than its factorization.

10219648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79855 (or 79843 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 10219648 is about 3196.8184183654. The cubic root of 10219648 is about 217.0094497785.

The spelling of 10219648 in words is "ten million, two hundred nineteen thousand, six hundred forty-eight".