221412301 has 32 divisors (see below), whose sum is σ = 272315520. Its totient is φ = 177408000.

The previous prime is 221412299. The next prime is 221412311. The reversal of 221412301 is 103214122.

It is not a de Polignac number, because 221412301 - 2¹ = 221412299 is a prime.

It is a super-2 number, since 2×221412301² = 98046814068229202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221412311) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 358545 + ... + 359161.

It is an arithmetic number, because the mean of its divisors is an integer number (8509860).

Almost surely, 2^221412301 is an apocalyptic number.

It is an amenable number.

221412301 is a deficient number, since it is larger than the sum of its proper divisors (50903219).

221412301 is a wasteful number, since it uses less digits than its factorization.

221412301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 221412301 is about 14879.9294689189. The cubic root of 221412301 is about 604.9701062114.

Adding to 221412301 its reverse (103214122), we get a palindrome (324626423).

It can be divided in two parts, 22141 and 2301, that added together give a palindrome (24442).

The spelling of 221412301 in words is "two hundred twenty-one million, four hundred twelve thousand, three hundred one".