222425169 has 4 divisors (see below), whose sum is σ = 296566896. Its totient is φ = 148283444.

The previous prime is 222425141. The next prime is 222425173. The reversal of 222425169 is 961524222.

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 222425169 - 2¹³ = 222416977 is a prime.

It is a super-2 number, since 2×222425169² = 98945911609357122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222421169) 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, 37070859 + ... + 37070864.

It is an arithmetic number, because the mean of its divisors is an integer number (74141724).

Almost surely, 2^222425169 is an apocalyptic number.

It is an amenable number.

222425169 is a deficient number, since it is larger than the sum of its proper divisors (74141727).

222425169 is an equidigital number, since it uses as much as digits as its factorization.

222425169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74141726.

The product of its digits is 17280, while the sum is 33.

The square root of 222425169 is about 14913.9253384211. The cubic root of 222425169 is about 605.8911975586.

The spelling of 222425169 in words is "two hundred twenty-two million, four hundred twenty-five thousand, one hundred sixty-nine".