159222738 has 16 divisors (see below), whose sum is σ = 318579840. Its totient is φ = 53051856.

The previous prime is 159222737. The next prime is 159222743. The reversal of 159222738 is 837222951.

It is a junction number, because it is equal to n+sod(n) for n = 159222696 and 159222705.

It is not an unprimeable number, because it can be changed into a prime (159222733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16548 + ... + 24336.

It is an arithmetic number, because the mean of its divisors is an integer number (19911240).

Almost surely, 2^159222738 is an apocalyptic number.

159222738 is an abundant number, since it is smaller than the sum of its proper divisors (159357102).

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

159222738 is a wasteful number, since it uses less digits than its factorization.

159222738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201.

The product of its digits is 60480, while the sum is 39.

The square root of 159222738 is about 12618.3492581241. The cubic root of 159222738 is about 542.0030069322.

The spelling of 159222738 in words is "one hundred fifty-nine million, two hundred twenty-two thousand, seven hundred thirty-eight".