221412523263274 has 8 divisors (see below), whose sum is σ = 379564325594208. Its totient is φ = 94891081398540.

The previous prime is 221412523263257. The next prime is 221412523263277. The reversal of 221412523263274 is 472362325214122.

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

It is not an unprimeable number, because it can be changed into a prime (221412523263277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7907590116532 + ... + 7907590116559.

It is an arithmetic number, because the mean of its divisors is an integer number (47445540699276).

Almost surely, 2^{221412523263274} is an apocalyptic number.

221412523263274 is a deficient number, since it is larger than the sum of its proper divisors (158151802330934).

221412523263274 is a wasteful number, since it uses less digits than its factorization.

221412523263274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815180233100.

The product of its digits is 1935360, while the sum is 46.

Adding to 221412523263274 its reverse (472362325214122), we get a palindrome (693774848477396).

The spelling of 221412523263274 in words is "two hundred twenty-one trillion, four hundred twelve billion, five hundred twenty-three million, two hundred sixty-three thousand, two hundred seventy-four".