15222143055 has 64 divisors (see below), whose sum is σ = 28330841088. Its totient is φ = 6835276800.

The previous prime is 15222143039. The next prime is 15222143059. The reversal of 15222143055 is 55034122251.

It is not a de Polignac number, because 15222143055 - 2⁴ = 15222143039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15222143059) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2621155 + ... + 2626955.

It is an arithmetic number, because the mean of its divisors is an integer number (442669392).

Almost surely, 2^15222143055 is an apocalyptic number.

15222143055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15222143055 is a deficient number, since it is larger than the sum of its proper divisors (13108698033).

15222143055 is a wasteful number, since it uses less digits than its factorization.

15222143055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 15222143055 in words is "fifteen billion, two hundred twenty-two million, one hundred forty-three thousand, fifty-five".