222158073 has 4 divisors (see below), whose sum is σ = 296210768. Its totient is φ = 148105380.

The previous prime is 222158071. The next prime is 222158087. The reversal of 222158073 is 370851222.

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 not a de Polignac number, because 222158073 - 2¹ = 222158071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222158073.

It is not an unprimeable number, because it can be changed into a prime (222158071) 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, 37026343 + ... + 37026348.

It is an arithmetic number, because the mean of its divisors is an integer number (74052692).

Almost surely, 2^222158073 is an apocalyptic number.

It is an amenable number.

222158073 is a deficient number, since it is larger than the sum of its proper divisors (74052695).

222158073 is an equidigital number, since it uses as much as digits as its factorization.

222158073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74052694.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 222158073 is about 14904.9680643737. The cubic root of 222158073 is about 605.6485752319.

The spelling of 222158073 in words is "two hundred twenty-two million, one hundred fifty-eight thousand, seventy-three".