15222224160 has 768 divisors, whose sum is σ = 64225405440. Its totient is φ = 3317760000.

The previous prime is 15222224137. The next prime is 15222224161. The reversal of 15222224160 is 6142222251.

15222224160 is a `hidden beast` number, since 1 + 5 + 22 + 222 + 416 + 0 = 666.

It is a super-2 number, since 2×15222224160² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (15222224161) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25327860 + ... + 25328460.

It is an arithmetic number, because the mean of its divisors is an integer number (83626830).

Almost surely, 2^15222224160 is an apocalyptic number.

15222224160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15222224160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32112702720).

15222224160 is an abundant number, since it is smaller than the sum of its proper divisors (49003181280).

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

15222224160 is a wasteful number, since it uses less digits than its factorization.

15222224160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 15222224160 in words is "fifteen billion, two hundred twenty-two million, two hundred twenty-four thousand, one hundred sixty".