19422425 has 12 divisors (see below), whose sum is σ = 26273616. Its totient is φ = 14125200.

The previous prime is 19422379. The next prime is 19422443. The reversal of 19422425 is 52422491.

It is a de Polignac number, because none of the positive numbers 2^k-19422425 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35039 + ... + 35588.

It is an arithmetic number, because the mean of its divisors is an integer number (2189468).

Almost surely, 2^19422425 is an apocalyptic number.

It is an amenable number.

19422425 is a deficient number, since it is larger than the sum of its proper divisors (6851191).

19422425 is a wasteful number, since it uses less digits than its factorization.

19422425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70648 (or 70643 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 19422425 is about 4407.0880408723. The cubic root of 19422425 is about 268.8032308477.

The spelling of 19422425 in words is "nineteen million, four hundred twenty-two thousand, four hundred twenty-five".