15442201 has 8 divisors (see below), whose sum is σ = 15747200. Its totient is φ = 15139872.

The previous prime is 15442187. The next prime is 15442249. The reversal of 15442201 is 10224451.

15442201 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 15442201 - 2⁷ = 15442073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15442291) 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, 13996 + ... + 15058.

It is an arithmetic number, because the mean of its divisors is an integer number (1968400).

Almost surely, 2^15442201 is an apocalyptic number.

It is an amenable number.

15442201 is a deficient number, since it is larger than the sum of its proper divisors (304999).

15442201 is a wasteful number, since it uses less digits than its factorization.

15442201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 15442201 is about 3929.6566007732. The cubic root of 15442201 is about 249.0212451564.

Adding to 15442201 its reverse (10224451), we get a palindrome (25666652).

The spelling of 15442201 in words is "fifteen million, four hundred forty-two thousand, two hundred one".