201226447 has 8 divisors (see below), whose sum is σ = 210114000. Its totient is φ = 192468864.

The previous prime is 201226439. The next prime is 201226451. The reversal of 201226447 is 744622102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201226447 - 2³ = 201226439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201226427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29322 + ... + 35527.

It is an arithmetic number, because the mean of its divisors is an integer number (26264250).

Almost surely, 2^201226447 is an apocalyptic number.

201226447 is a deficient number, since it is larger than the sum of its proper divisors (8887553).

201226447 is a wasteful number, since it uses less digits than its factorization.

201226447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64985.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 201226447 is about 14185.4308006490. The cubic root of 201226447 is about 585.9964967350.

Adding to 201226447 its reverse (744622102), we get a palindrome (945848549).

It can be divided in two parts, 20122 and 6447, that added together give a square (26569 = 163²).

The spelling of 201226447 in words is "two hundred one million, two hundred twenty-six thousand, four hundred forty-seven".