10219668 has 12 divisors (see below), whose sum is σ = 23845920. Its totient is φ = 3406552.

The previous prime is 10219667. The next prime is 10219673. The reversal of 10219668 is 86691201.

10219668 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10219668² = 208883228060448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10219661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425808 + ... + 425831.

It is an arithmetic number, because the mean of its divisors is an integer number (1987160).

Almost surely, 2^10219668 is an apocalyptic number.

It is an amenable number.

10219668 is an abundant number, since it is smaller than the sum of its proper divisors (13626252).

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

10219668 is a wasteful number, since it uses less digits than its factorization.

10219668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851646 (or 851644 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 10219668 is about 3196.8215464739. The cubic root of 10219668 is about 217.0095913420.

The spelling of 10219668 in words is "ten million, two hundred nineteen thousand, six hundred sixty-eight".