158222842 has 48 divisors (see below), whose sum is σ = 277119360. Its totient is φ = 67326336.

The previous prime is 158222833. The next prime is 158222851. The reversal of 158222842 is 248222851.

158222842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158222833) and next prime (158222851).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 158222798 and 158222807.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341503 + ... + 341965.

It is an arithmetic number, because the mean of its divisors is an integer number (5773320).

Almost surely, 2^158222842 is an apocalyptic number.

158222842 is a deficient number, since it is larger than the sum of its proper divisors (118896518).

158222842 is a wasteful number, since it uses less digits than its factorization.

158222842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 524 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 158222842 is about 12578.6661455021. Note that the first 3 decimals coincide. The cubic root of 158222842 is about 540.8660565421.

Subtracting 158222842 from its reverse (248222851), we obtain a palindrome (90000009).

The spelling of 158222842 in words is "one hundred fifty-eight million, two hundred twenty-two thousand, eight hundred forty-two".