15222100043 has 4 divisors (see below), whose sum is σ = 15545974560. Its totient is φ = 14898225528.

The previous prime is 15222100013. The next prime is 15222100057. The reversal of 15222100043 is 34000122251.

15222100043 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: 34000122251 = 37 ⋅918922223.

It is a cyclic number.

It is not a de Polignac number, because 15222100043 - 2¹² = 15222095947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15222099988 and 15222100024.

It is not an unprimeable number, because it can be changed into a prime (15222100013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161937188 + ... + 161937281.

It is an arithmetic number, because the mean of its divisors is an integer number (3886493640).

Almost surely, 2^15222100043 is an apocalyptic number.

15222100043 is a deficient number, since it is larger than the sum of its proper divisors (323874517).

15222100043 is an equidigital number, since it uses as much as digits as its factorization.

15222100043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323874516.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 15222100043 its reverse (34000122251), we get a palindrome (49222222294).

The spelling of 15222100043 in words is "fifteen billion, two hundred twenty-two million, one hundred thousand, forty-three".