229621401 has 12 divisors (see below), whose sum is σ = 333066240. Its totient is φ = 152439000.

The previous prime is 229621349. The next prime is 229621417. The reversal of 229621401 is 104126922.

It is not a de Polignac number, because 229621401 - 2⁹ = 229620889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229621421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51225 + ... + 55526.

It is an arithmetic number, because the mean of its divisors is an integer number (27755520).

Almost surely, 2^229621401 is an apocalyptic number.

It is an amenable number.

229621401 is a deficient number, since it is larger than the sum of its proper divisors (103444839).

229621401 is a wasteful number, since it uses less digits than its factorization.

229621401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106996 (or 106993 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 229621401 is about 15153.2637078617. The cubic root of 229621401 is about 612.3562020335.

The spelling of 229621401 in words is "two hundred twenty-nine million, six hundred twenty-one thousand, four hundred one".