401221302 has 8 divisors (see below), whose sum is σ = 802442616. Its totient is φ = 133740432.

The previous prime is 401221291. The next prime is 401221307. The reversal of 401221302 is 203122104.

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

401221302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401221307) 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 3 ways as a sum of consecutive naturals, for example, 33435103 + ... + 33435114.

It is an arithmetic number, because the mean of its divisors is an integer number (100305327).

Almost surely, 2^401221302 is an apocalyptic number.

401221302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401221302 is a wasteful number, since it uses less digits than its factorization.

401221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66870222.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401221302 is about 20030.5092795965. The cubic root of 401221302 is about 737.5554236620. Note that the first 3 decimals are identical.

Adding to 401221302 its reverse (203122104), we get a palindrome (604343406).

The spelling of 401221302 in words is "four hundred one million, two hundred twenty-one thousand, three hundred two".