19220468 has 12 divisors (see below), whose sum is σ = 33670560. Its totient is φ = 9600312.

The previous prime is 19220459. The next prime is 19220563. The reversal of 19220468 is 86402291.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3455 + ... + 7097.

It is an arithmetic number, because the mean of its divisors is an integer number (2805880).

Almost surely, 2^19220468 is an apocalyptic number.

It is an amenable number.

19220468 is a deficient number, since it is larger than the sum of its proper divisors (14450092).

19220468 is a wasteful number, since it uses less digits than its factorization.

19220468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966 (or 4964 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 19220468 is about 4384.1154181887. The cubic root of 19220468 is about 267.8682986964.

The spelling of 19220468 in words is "nineteen million, two hundred twenty thousand, four hundred sixty-eight".