221302400019 has 8 divisors (see below), whose sum is σ = 296614735872. Its totient is φ = 146762498760.

The previous prime is 221302399987. The next prime is 221302400021. The reversal of 221302400019 is 910004203122.

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

It is not a de Polignac number, because 221302400019 - 2⁵ = 221302399987 is a prime.

It is a super-2 number, since 2×221302400019² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221302400419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193107979 + ... + 193109124.

It is an arithmetic number, because the mean of its divisors is an integer number (37076841984).

Almost surely, 2^221302400019 is an apocalyptic number.

221302400019 is a deficient number, since it is larger than the sum of its proper divisors (75312335853).

221302400019 is a wasteful number, since it uses less digits than its factorization.

221302400019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386217297.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 221302400019 in words is "two hundred twenty-one billion, three hundred two million, four hundred thousand, nineteen".