162226157 has 4 divisors (see below), whose sum is σ = 162592800. Its totient is φ = 161859516.

The previous prime is 162226139. The next prime is 162226171. The reversal of 162226157 is 751622261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162226157 - 2¹² = 162222061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162226177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182657 + ... + 183542.

It is an arithmetic number, because the mean of its divisors is an integer number (40648200).

Almost surely, 2^162226157 is an apocalyptic number.

It is an amenable number.

162226157 is a deficient number, since it is larger than the sum of its proper divisors (366643).

162226157 is an equidigital number, since it uses as much as digits as its factorization.

162226157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366642.

The product of its digits is 10080, while the sum is 32.

The square root of 162226157 is about 12736.8032488533. The cubic root of 162226157 is about 545.3897355379.

The spelling of 162226157 in words is "one hundred sixty-two million, two hundred twenty-six thousand, one hundred fifty-seven".