15002222000 has 80 divisors (see below), whose sum is σ = 37526392800. Its totient is φ = 5793939200.

The previous prime is 15002221961. The next prime is 15002222003. The reversal of 15002222000 is 22220051.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (15002222003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71330 + ... + 187329.

It is an arithmetic number, because the mean of its divisors is an integer number (469079910).

Almost surely, 2^15002222000 is an apocalyptic number.

15002222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15002222000 is an abundant number, since it is smaller than the sum of its proper divisors (22524170800).

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

15002222000 is a wasteful number, since it uses less digits than its factorization.

15002222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258711 (or 258695 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

Adding to 15002222000 its reverse (22220051), we get a palindrome (15024442051).

The spelling of 15002222000 in words is "fifteen billion, two million, two hundred twenty-two thousand".