221632571342 has 64 divisors (see below), whose sum is σ = 433330781184. Its totient is φ = 82614850560.

The previous prime is 221632571341. The next prime is 221632571351. The reversal of 221632571342 is 243175236122.

It is a junction number, because it is equal to n+sod(n) for n = 221632571296 and 221632571305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221632571341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114659 + ... + 675582.

It is an arithmetic number, because the mean of its divisors is an integer number (6770793456).

Almost surely, 2^221632571342 is an apocalyptic number.

221632571342 is a deficient number, since it is larger than the sum of its proper divisors (211698209842).

221632571342 is a wasteful number, since it uses less digits than its factorization.

221632571342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790353.

The product of its digits is 120960, while the sum is 38.

The spelling of 221632571342 in words is "two hundred twenty-one billion, six hundred thirty-two million, five hundred seventy-one thousand, three hundred forty-two".