42922223 has 4 divisors (see below), whose sum is σ = 43625928. Its totient is φ = 42218520.

The previous prime is 42922219. The next prime is 42922241. The reversal of 42922223 is 32222924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42922223 - 2² = 42922219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42922192 and 42922201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42922283) 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, 351761 + ... + 351882.

It is an arithmetic number, because the mean of its divisors is an integer number (10906482).

Almost surely, 2^42922223 is an apocalyptic number.

42922223 is a deficient number, since it is larger than the sum of its proper divisors (703705).

42922223 is an equidigital number, since it uses as much as digits as its factorization.

42922223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703704.

The product of its digits is 3456, while the sum is 26.

The square root of 42922223 is about 6551.5053995246. The cubic root of 42922223 is about 350.1284508117.

The spelling of 42922223 in words is "forty-two million, nine hundred twenty-two thousand, two hundred twenty-three".