19914422 has 16 divisors (see below), whose sum is σ = 32860944. Its totient is φ = 9050800.

The previous prime is 19914371. The next prime is 19914449. The reversal of 19914422 is 22441991.

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, 1079 + ... + 6402.

It is an arithmetic number, because the mean of its divisors is an integer number (2053809).

Almost surely, 2^19914422 is an apocalyptic number.

19914422 is a deficient number, since it is larger than the sum of its proper divisors (12946522).

19914422 is an equidigital number, since it uses as much as digits as its factorization.

19914422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516 (or 7494 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 19914422 is about 4462.5577867407. The cubic root of 19914422 is about 271.0540507558.

The spelling of 19914422 in words is "nineteen million, nine hundred fourteen thousand, four hundred twenty-two".