2215401 has 8 divisors (see below), whose sum is σ = 2961120. Its totient is φ = 1473312.

The previous prime is 2215399. The next prime is 2215417. The reversal of 2215401 is 1045122.

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

It is not a de Polignac number, because 2215401 - 2¹ = 2215399 is a prime.

It is a d-powerful number, because it can be written as 2 + 2⁷ + 1 + 5⁹ + 4⁹ + 0 + 1 .

It is not an unprimeable number, because it can be changed into a prime (2215471) 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, 1261 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (370140).

2^2215401 is an apocalyptic number.

It is an amenable number.

2215401 is a deficient number, since it is larger than the sum of its proper divisors (745719).

2215401 is a wasteful number, since it uses less digits than its factorization.

2215401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2215401 is about 1488.4223191017. The cubic root of 2215401 is about 130.3619302784.

The spelling of 2215401 in words is "two million, two hundred fifteen thousand, four hundred one".