15480922 has 4 divisors (see below), whose sum is σ = 23221386. Its totient is φ = 7740460.

The previous prime is 15480901. The next prime is 15480923. The reversal of 15480922 is 22908451.

15480922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22908451 = 139 ⋅164809.

It can be written as a sum of positive squares in only one way, i.e., 15046641 + 434281 = 3879^2 + 659^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (15480923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3870229 + ... + 3870232.

Almost surely, 2^15480922 is an apocalyptic number.

15480922 is a deficient number, since it is larger than the sum of its proper divisors (7740464).

15480922 is an equidigital number, since it uses as much as digits as its factorization.

15480922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740463.

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

The square root of 15480922 is about 3934.5802825714. The cubic root of 15480922 is about 249.2292099733.

The spelling of 15480922 in words is "fifteen million, four hundred eighty thousand, nine hundred twenty-two".