221423421340014 has 16 divisors (see below), whose sum is σ = 450352721370240. Its totient is φ = 72556827331640.

The previous prime is 221423421339983. The next prime is 221423421340021. The reversal of 221423421340014 is 410043124324122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312744945042 + ... + 312744945749.

It is an arithmetic number, because the mean of its divisors is an integer number (28147045085640).

Almost surely, 2^{221423421340014} is an apocalyptic number.

221423421340014 is an abundant number, since it is smaller than the sum of its proper divisors (228929300030226).

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

221423421340014 is a wasteful number, since it uses less digits than its factorization.

221423421340014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625489890855.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 221423421340014 its reverse (410043124324122), we get a palindrome (631466545664136).

The spelling of 221423421340014 in words is "two hundred twenty-one trillion, four hundred twenty-three billion, four hundred twenty-one million, three hundred forty thousand, fourteen".