222349469 has 4 divisors (see below), whose sum is σ = 226544796. Its totient is φ = 218154144.

The previous prime is 222349417. The next prime is 222349481. The reversal of 222349469 is 964943222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93799225 + 128550244 = 9685^2 + 11338^2 .

It is a cyclic number.

It is not a de Polignac number, because 222349469 - 2¹⁶ = 222283933 is a prime.

It is a super-2 number, since 2×222349469² = 98878572729163922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222349669) 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, 2097584 + ... + 2097689.

It is an arithmetic number, because the mean of its divisors is an integer number (56636199).

Almost surely, 2^222349469 is an apocalyptic number.

It is an amenable number.

222349469 is a deficient number, since it is larger than the sum of its proper divisors (4195327).

222349469 is an equidigital number, since it uses as much as digits as its factorization.

222349469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195326.

The product of its digits is 186624, while the sum is 41.

The square root of 222349469 is about 14911.3872258754. The cubic root of 222349469 is about 605.8224535878.

The spelling of 222349469 in words is "two hundred twenty-two million, three hundred forty-nine thousand, four hundred sixty-nine".