10219445 has 8 divisors (see below), whose sum is σ = 12524544. Its totient is φ = 8001424.

The previous prime is 10219427. The next prime is 10219457. The reversal of 10219445 is 54491201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10219445 - 2¹⁰ = 10218421 is a prime.

It is a super-2 number, since 2×10219445² = 208874112216050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21509 + ... + 21978.

It is an arithmetic number, because the mean of its divisors is an integer number (1565568).

Almost surely, 2^10219445 is an apocalyptic number.

It is an amenable number.

10219445 is a deficient number, since it is larger than the sum of its proper divisors (2305099).

10219445 is an equidigital number, since it uses as much as digits as its factorization.

10219445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43539.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 10219445 is about 3196.7866678901. The cubic root of 10219445 is about 217.0080128990.

The spelling of 10219445 in words is "ten million, two hundred nineteen thousand, four hundred forty-five".