19012442322 has 16 divisors (see below), whose sum is σ = 38028045312. Its totient is φ = 6336954000.

The previous prime is 19012442299. The next prime is 19012442327. The reversal of 19012442322 is 22324421091.

It is a super-2 number, since 2×19012442322² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19012442322.

It is not an unprimeable number, because it can be changed into a prime (19012442327) 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, 49554 + ... + 201197.

It is an arithmetic number, because the mean of its divisors is an integer number (2376752832).

Almost surely, 2^19012442322 is an apocalyptic number.

19012442322 is an abundant number, since it is smaller than the sum of its proper divisors (19015602990).

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

19012442322 is a wasteful number, since it uses less digits than its factorization.

19012442322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263393.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 19012442322 in words is "nineteen billion, twelve million, four hundred forty-two thousand, three hundred twenty-two".