222670159 has 4 divisors (see below), whose sum is σ = 225353016. Its totient is φ = 219987304.

The previous prime is 222670141. The next prime is 222670163. The reversal of 222670159 is 951076222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951076222 = 2 ⋅475538111.

It is a cyclic number.

It is not a de Polignac number, because 222670159 - 2⁷ = 222670031 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 (222674159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341304 + ... + 1341469.

It is an arithmetic number, because the mean of its divisors is an integer number (56338254).

Almost surely, 2^222670159 is an apocalyptic number.

222670159 is a deficient number, since it is larger than the sum of its proper divisors (2682857).

222670159 is an equidigital number, since it uses as much as digits as its factorization.

222670159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682856.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 222670159 is about 14922.1365427341. The cubic root of 222670159 is about 606.1135687045.

The spelling of 222670159 in words is "two hundred twenty-two million, six hundred seventy thousand, one hundred fifty-nine".