1822220038368 has 72 divisors (see below), whose sum is σ = 5193742554000. Its totient is φ = 606023023104.

The previous prime is 1822220038367. The next prime is 1822220038501. The reversal of 1822220038368 is 8638300222281.

It is a happy number.

1822220038368 is a `hidden beast` number, since 1 + 8 + 2 + 2 + 2 + 200 + 383 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822220038361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7079893 + ... + 7332756.

It is an arithmetic number, because the mean of its divisors is an integer number (72135313250).

Almost surely, 2^{1822220038368} is an apocalyptic number.

1822220038368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1822220038368 is an abundant number, since it is smaller than the sum of its proper divisors (3371522515632).

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

1822220038368 is a wasteful number, since it uses less digits than its factorization.

1822220038368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14413104 (or 14413093 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 1822220038368 in words is "one trillion, eight hundred twenty-two billion, two hundred twenty million, thirty-eight thousand, three hundred sixty-eight".