219072401 has 8 divisors (see below), whose sum is σ = 233914560. Its totient is φ = 204673392.

The previous prime is 219072391. The next prime is 219072407. The reversal of 219072401 is 104270912.

219072401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 219072401 - 2¹⁴ = 219056017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (219072407) 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, 109766 + ... + 111743.

It is an arithmetic number, because the mean of its divisors is an integer number (29239320).

Almost surely, 2^219072401 is an apocalyptic number.

It is an amenable number.

219072401 is a deficient number, since it is larger than the sum of its proper divisors (14842159).

219072401 is a wasteful number, since it uses less digits than its factorization.

219072401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221575.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 219072401 is about 14801.0945879013. The cubic root of 219072401 is about 602.8314330342.

The spelling of 219072401 in words is "two hundred nineteen million, seventy-two thousand, four hundred one".