22160157 has 4 divisors (see below), whose sum is σ = 29546880. Its totient is φ = 14773436.

The previous prime is 22160153. The next prime is 22160209. The reversal of 22160157 is 75106122.

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 22160157 - 2² = 22160153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22160153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3693357 + ... + 3693362.

It is an arithmetic number, because the mean of its divisors is an integer number (7386720).

Almost surely, 2^22160157 is an apocalyptic number.

It is an amenable number.

22160157 is a deficient number, since it is larger than the sum of its proper divisors (7386723).

22160157 is an equidigital number, since it uses as much as digits as its factorization.

22160157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7386722.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 22160157 is about 4707.4575940735. The cubic root of 22160157 is about 280.8822385359.

Adding to 22160157 its reverse (75106122), we get a palindrome (97266279).

It can be divided in two parts, 221 and 60157, that added together give a triangular number (60378 = T₃₄₇).

The spelling of 22160157 in words is "twenty-two million, one hundred sixty thousand, one hundred fifty-seven".