19422906 has 16 divisors (see below), whose sum is σ = 39231648. Its totient is φ = 6410000.

The previous prime is 19422899. The next prime is 19422943. The reversal of 19422906 is 60922491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15420 + ... + 16631.

It is an arithmetic number, because the mean of its divisors is an integer number (2451978).

Almost surely, 2^19422906 is an apocalyptic number.

19422906 is an abundant number, since it is smaller than the sum of its proper divisors (19808742).

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

19422906 is a wasteful number, since it uses less digits than its factorization.

19422906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32157.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 19422906 is about 4407.1426117157. The cubic root of 19422906 is about 268.8054498169.

The spelling of 19422906 in words is "nineteen million, four hundred twenty-two thousand, nine hundred six".