19942422 has 16 divisors (see below), whose sum is σ = 40252080. Its totient is φ = 6586272.

The previous prime is 19942397. The next prime is 19942423. The reversal of 19942422 is 22424991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19942423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14593 + ... + 15900.

It is an arithmetic number, because the mean of its divisors is an integer number (2515755).

Almost surely, 2^19942422 is an apocalyptic number.

19942422 is an abundant number, since it is smaller than the sum of its proper divisors (20309658).

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

19942422 is a wasteful number, since it uses less digits than its factorization.

19942422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30607.

The product of its digits is 10368, while the sum is 33.

The square root of 19942422 is about 4465.6938990486. The cubic root of 19942422 is about 271.1810267267.

The spelling of 19942422 in words is "nineteen million, nine hundred forty-two thousand, four hundred twenty-two".