222140073 has 4 divisors (see below), whose sum is σ = 296186768. Its totient is φ = 148093380.

The previous prime is 222140069. The next prime is 222140089. The reversal of 222140073 is 370041222.

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 222140073 - 2² = 222140069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222140873) 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, 37023343 + ... + 37023348.

It is an arithmetic number, because the mean of its divisors is an integer number (74046692).

Almost surely, 2^222140073 is an apocalyptic number.

It is an amenable number.

222140073 is a deficient number, since it is larger than the sum of its proper divisors (74046695).

222140073 is an equidigital number, since it uses as much as digits as its factorization.

222140073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74046694.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 222140073 is about 14904.3642266284. The cubic root of 222140073 is about 605.6322175567.

Adding to 222140073 its reverse (370041222), we get a palindrome (592181295).

The spelling of 222140073 in words is "two hundred twenty-two million, one hundred forty thousand, seventy-three".