221300234342 has 32 divisors (see below), whose sum is σ = 363660568704. Its totient is φ = 100165478400.

The previous prime is 221300234279. The next prime is 221300234431. The reversal of 221300234342 is 243432003122.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24663917 + ... + 24672887.

It is an arithmetic number, because the mean of its divisors is an integer number (11364392772).

Almost surely, 2^221300234342 is an apocalyptic number.

221300234342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221300234342 is a deficient number, since it is larger than the sum of its proper divisors (142360334362).

221300234342 is a wasteful number, since it uses less digits than its factorization.

221300234342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13604.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 221300234342 its reverse (243432003122), we get a palindrome (464732237464).

The spelling of 221300234342 in words is "two hundred twenty-one billion, three hundred million, two hundred thirty-four thousand, three hundred forty-two".