10219427 has 2 divisors, whose sum is σ = 10219428. Its totient is φ = 10219426.

The previous prime is 10219409. The next prime is 10219457. The reversal of 10219427 is 72491201.

It is a weak prime.

It is an emirp because it is prime and its reverse (72491201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10219427 - 2⁸ = 10219171 is a prime.

It is a super-3 number, since 3×10219427³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10219396 and 10219405.

It is not a weakly prime, because it can be changed into another prime (10219457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5109713 + 5109714.

It is an arithmetic number, because the mean of its divisors is an integer number (5109714).

Almost surely, 2^10219427 is an apocalyptic number.

10219427 is a deficient number, since it is larger than the sum of its proper divisors (1).

10219427 is an equidigital number, since it uses as much as digits as its factorization.

10219427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 10219427 is about 3196.7838525618. The cubic root of 10219427 is about 217.0078854900.

The spelling of 10219427 in words is "ten million, two hundred nineteen thousand, four hundred twenty-seven".