221014420344 has 64 divisors (see below), whose sum is σ = 630521642400. Its totient is φ = 71680349952.

The previous prime is 221014420331. The next prime is 221014420349. The reversal of 221014420344 is 443024410122.

221014420344 is a `hidden beast` number, since 2 + 210 + 1 + 442 + 0 + 3 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221014420349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13819237 + ... + 13835220.

Almost surely, 2^221014420344 is an apocalyptic number.

221014420344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

221014420344 is an abundant number, since it is smaller than the sum of its proper divisors (409507222056).

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

221014420344 is a wasteful number, since it uses less digits than its factorization.

221014420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27654509 (or 27654499 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 221014420344 its reverse (443024410122), we get a palindrome (664038830466).

The spelling of 221014420344 in words is "two hundred twenty-one billion, fourteen million, four hundred twenty thousand, three hundred forty-four".