222754849 has 4 divisors (see below), whose sum is σ = 222956820. Its totient is φ = 222552880.

The previous prime is 222754843. The next prime is 222754853. The reversal of 222754849 is 948457222.

It is a happy number.

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 39287824 + 183467025 = 6268^2 + 13545^2 .

It is a cyclic number.

It is not a de Polignac number, because 222754849 - 2⁵ = 222754817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222754843) 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 3 ways as a sum of consecutive naturals, for example, 99322 + ... + 101539.

It is an arithmetic number, because the mean of its divisors is an integer number (55739205).

Almost surely, 2^222754849 is an apocalyptic number.

It is an amenable number.

222754849 is a deficient number, since it is larger than the sum of its proper divisors (201971).

222754849 is a wasteful number, since it uses less digits than its factorization.

222754849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201970.

The product of its digits is 322560, while the sum is 43.

The square root of 222754849 is about 14924.9740033274. The cubic root of 222754849 is about 606.1904017085.

The spelling of 222754849 in words is "two hundred twenty-two million, seven hundred fifty-four thousand, eight hundred forty-nine".