201226351 has 8 divisors (see below), whose sum is σ = 204206400. Its totient is φ = 198257280.

The previous prime is 201226339. The next prime is 201226381. The reversal of 201226351 is 153622102.

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 201226351 - 2²¹ = 199129199 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 (201226381) 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, 38715 + ... + 43603.

It is an arithmetic number, because the mean of its divisors is an integer number (25525800).

Almost surely, 2^201226351 is an apocalyptic number.

201226351 is a deficient number, since it is larger than the sum of its proper divisors (2980049).

201226351 is an equidigital number, since it uses as much as digits as its factorization.

201226351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 201226351 is about 14185.4274168951. The cubic root of 201226351 is about 585.9964035470.

Adding to 201226351 its reverse (153622102), we get a palindrome (354848453).

The spelling of 201226351 in words is "two hundred one million, two hundred twenty-six thousand, three hundred fifty-one".