221432432002342 has 8 divisors (see below), whose sum is σ = 362343979640232. Its totient is φ = 100651105455600.

The previous prime is 221432432002307. The next prime is 221432432002403. The reversal of 221432432002342 is 243200234234122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221432432002342² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221432432002298 and 221432432002307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5032555272759 + ... + 5032555272802.

It is an arithmetic number, because the mean of its divisors is an integer number (45292997455029).

Almost surely, 2^{221432432002342} is an apocalyptic number.

221432432002342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221432432002342 is a deficient number, since it is larger than the sum of its proper divisors (140911547637890).

221432432002342 is a wasteful number, since it uses less digits than its factorization.

221432432002342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065110545574.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 221432432002342 its reverse (243200234234122), we get a palindrome (464632666236464).

The spelling of 221432432002342 in words is "two hundred twenty-one trillion, four hundred thirty-two billion, four hundred thirty-two million, two thousand, three hundred forty-two".