221214430333434 has 16 divisors (see below), whose sum is σ = 442429276313088. Its totient is φ = 73738074170112.

The previous prime is 221214430333339. The next prime is 221214430333441. The reversal of 221214430333434 is 434333034412122.

It is a junction number, because it is equal to n+sod(n) for n = 221214430333392 and 221214430333401.

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, 10172967 + ... + 23364890.

It is an arithmetic number, because the mean of its divisors is an integer number (27651829769568).

Almost surely, 2^{221214430333434} is an apocalyptic number.

221214430333434 is an abundant number, since it is smaller than the sum of its proper divisors (221214845979654).

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

221214430333434 is a wasteful number, since it uses less digits than its factorization.

221214430333434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34637189.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 221214430333434 its reverse (434333034412122), we get a palindrome (655547464745556).

The spelling of 221214430333434 in words is "two hundred twenty-one trillion, two hundred fourteen billion, four hundred thirty million, three hundred thirty-three thousand, four hundred thirty-four".