221434342298 has 32 divisors (see below), whose sum is σ = 369802392960. Its totient is φ = 98779694400.

The previous prime is 221434342291. The next prime is 221434342309. The reversal of 221434342298 is 892243434122.

It is not an unprimeable number, because it can be changed into a prime (221434342291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616928 + ... + 907451.

It is an arithmetic number, because the mean of its divisors is an integer number (11556324780).

Almost surely, 2^221434342298 is an apocalyptic number.

221434342298 is a deficient number, since it is larger than the sum of its proper divisors (148368050662).

221434342298 is a wasteful number, since it uses less digits than its factorization.

221434342298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524582.

The product of its digits is 663552, while the sum is 44.

The spelling of 221434342298 in words is "two hundred twenty-one billion, four hundred thirty-four million, three hundred forty-two thousand, two hundred ninety-eight".