15422089 has 2 divisors, whose sum is σ = 15422090. Its totient is φ = 15422088.

The previous prime is 15422023. The next prime is 15422101. The reversal of 15422089 is 98022451.

15422089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15327225 + 94864 = 3915^2 + 308^2 .

It is an emirp because it is prime and its reverse (98022451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15422089 - 2⁹ = 15421577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15422089.

It is not a weakly prime, because it can be changed into another prime (15422389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7711044 + 7711045.

It is an arithmetic number, because the mean of its divisors is an integer number (7711045).

Almost surely, 2^15422089 is an apocalyptic number.

It is an amenable number.

15422089 is a deficient number, since it is larger than the sum of its proper divisors (1).

15422089 is an equidigital number, since it uses as much as digits as its factorization.

15422089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 15422089 is about 3927.0967647869. The cubic root of 15422089 is about 248.9130893492.

The spelling of 15422089 in words is "fifteen million, four hundred twenty-two thousand, eighty-nine".