19420422 has 32 divisors (see below), whose sum is σ = 44520192. Its totient is φ = 5532384.

The previous prime is 19420411. The next prime is 19420439. The reversal of 19420422 is 22402491.

It is a junction number, because it is equal to n+sod(n) for n = 19420392 and 19420401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28093 + ... + 28775.

It is an arithmetic number, because the mean of its divisors is an integer number (1391256).

Almost surely, 2^19420422 is an apocalyptic number.

19420422 is an abundant number, since it is smaller than the sum of its proper divisors (25099770).

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

19420422 is a wasteful number, since it uses less digits than its factorization.

19420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 19420422 is about 4406.8607874540. The cubic root of 19420422 is about 268.7939901310.

The spelling of 19420422 in words is "nineteen million, four hundred twenty thousand, four hundred twenty-two".