15222864450 has 48 divisors (see below), whose sum is σ = 37784028096. Its totient is φ = 4056062400.

The previous prime is 15222864439. The next prime is 15222864487. The reversal of 15222864450 is 5446822251.

15222864450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15222864399 and 15222864408.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 141960 + ... + 224940.

It is an arithmetic number, because the mean of its divisors is an integer number (787167252).

Almost surely, 2^15222864450 is an apocalyptic number.

15222864450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15222864450 is an abundant number, since it is smaller than the sum of its proper divisors (22561163646).

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

15222864450 is a wasteful number, since it uses less digits than its factorization.

15222864450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84219 (or 84214 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 15222864450 in words is "fifteen billion, two hundred twenty-two million, eight hundred sixty-four thousand, four hundred fifty".