15244772 has 6 divisors (see below), whose sum is σ = 26678358. Its totient is φ = 7622384.

The previous prime is 15244771. The next prime is 15244781. The reversal of 15244772 is 27744251.

It can be written as a sum of positive squares in only one way, i.e., 9834496 + 5410276 = 3136^2 + 2326^2 .

It is not an unprimeable number, because it can be changed into a prime (15244771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1905593 + ... + 1905600.

It is an arithmetic number, because the mean of its divisors is an integer number (4446393).

Almost surely, 2^15244772 is an apocalyptic number.

It is an amenable number.

15244772 is a deficient number, since it is larger than the sum of its proper divisors (11433586).

15244772 is a wasteful number, since it uses less digits than its factorization.

15244772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811197 (or 3811195 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 15244772 is about 3904.4554037663. The cubic root of 15244772 is about 247.9554420468.

The spelling of 15244772 in words is "fifteen million, two hundred forty-four thousand, seven hundred seventy-two".