157922226 has 96 divisors (see below), whose sum is σ = 441417600. Its totient is φ = 39594240.

The previous prime is 157922189. The next prime is 157922251. The reversal of 157922226 is 622229751.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38230 + ... + 42158.

It is an arithmetic number, because the mean of its divisors is an integer number (4598100).

Almost surely, 2^157922226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157922226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220708800).

157922226 is an abundant number, since it is smaller than the sum of its proper divisors (283495374).

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

157922226 is a wasteful number, since it uses less digits than its factorization.

157922226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984 (or 3981 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 157922226 is about 12566.7110255627. The cubic root of 157922226 is about 540.5232993054.

The spelling of 157922226 in words is "one hundred fifty-seven million, nine hundred twenty-two thousand, two hundred twenty-six".