15227340 has 24 divisors (see below), whose sum is σ = 42636720. Its totient is φ = 4060608.

The previous prime is 15227339. The next prime is 15227347. The reversal of 15227340 is 4372251.

15227340 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15227340.

It is not an unprimeable number, because it can be changed into a prime (15227347) 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, 126835 + ... + 126954.

It is an arithmetic number, because the mean of its divisors is an integer number (1776530).

Almost surely, 2^15227340 is an apocalyptic number.

15227340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15227340 is an abundant number, since it is smaller than the sum of its proper divisors (27409380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15227340 is a wasteful number, since it uses less digits than its factorization.

15227340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253801 (or 253799 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 15227340 is about 3902.2224436851. Note that the first 3 decimals coincide. The cubic root of 15227340 is about 247.8608958025.

Adding to 15227340 its reverse (4372251), we get a palindrome (19599591).

The spelling of 15227340 in words is "fifteen million, two hundred twenty-seven thousand, three hundred forty".