19226428417 has 8 divisors (see below), whose sum is σ = 21975100416. Its totient is φ = 16478266272.

The previous prime is 19226428367. The next prime is 19226428423. The reversal of 19226428417 is 71482462291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19226428417 - 2²³ = 19218039809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19226428427) 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, 42913 + ... + 200734.

It is an arithmetic number, because the mean of its divisors is an integer number (2746887552).

Almost surely, 2^19226428417 is an apocalyptic number.

It is an amenable number.

19226428417 is a deficient number, since it is larger than the sum of its proper divisors (2748671999).

19226428417 is a wasteful number, since it uses less digits than its factorization.

19226428417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254927.

The product of its digits is 387072, while the sum is 46.

The spelling of 19226428417 in words is "nineteen billion, two hundred twenty-six million, four hundred twenty-eight thousand, four hundred seventeen".