19222494947 has 8 divisors (see below), whose sum is σ = 19472767776. Its totient is φ = 18973285632.

The previous prime is 19222494943. The next prime is 19222495001. The reversal of 19222494947 is 74949422291.

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 19222494947 - 2² = 19222494943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19222494943) 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, 229463 + ... + 301824.

It is an arithmetic number, because the mean of its divisors is an integer number (2434095972).

Almost surely, 2^19222494947 is an apocalyptic number.

19222494947 is a deficient number, since it is larger than the sum of its proper divisors (250272829).

19222494947 is an equidigital number, since it uses as much as digits as its factorization.

19222494947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531757.

The product of its digits is 2612736, while the sum is 53.

The spelling of 19222494947 in words is "nineteen billion, two hundred twenty-two million, four hundred ninety-four thousand, nine hundred forty-seven".