15224066042 has 4 divisors (see below), whose sum is σ = 22836099066. Its totient is φ = 7612033020.

The previous prime is 15224065963. The next prime is 15224066047. The reversal of 15224066042 is 24066042251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11425685881 + 3798380161 = 106891^2 + 61631^2 .

It is not an unprimeable number, because it can be changed into a prime (15224066047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3806016509 + ... + 3806016512.

Almost surely, 2^15224066042 is an apocalyptic number.

15224066042 is a deficient number, since it is larger than the sum of its proper divisors (7612033024).

15224066042 is an equidigital number, since it uses as much as digits as its factorization.

15224066042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7612033023.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 15224066042 in words is "fifteen billion, two hundred twenty-four million, sixty-six thousand, forty-two".