222849450 has 36 divisors (see below), whose sum is σ = 598723398. Its totient is φ = 59426400.

The previous prime is 222849443. The next prime is 222849457. The reversal of 222849450 is 54948222.

It is an interprime number because it is at equal distance from previous prime (222849443) and next prime (222849457).

It can be written as a sum of positive squares in 3 ways, for example, as 104714289 + 118135161 = 10233^2 + 10869^2 .

It is a super-3 number, since 3×222849450³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222849457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 247161 + ... + 248060.

Almost surely, 2^222849450 is an apocalyptic number.

222849450 is an abundant number, since it is smaller than the sum of its proper divisors (375873948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222849450 is a wasteful number, since it uses less digits than its factorization.

222849450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495239 (or 495231 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 222849450 is about 14928.1428851683. The cubic root of 222849450 is about 606.2762032108.

The spelling of 222849450 in words is "two hundred twenty-two million, eight hundred forty-nine thousand, four hundred fifty".