222149443 has 8 divisors (see below), whose sum is σ = 228346560. Its totient is φ = 215962560.

The previous prime is 222149437. The next prime is 222149461. The reversal of 222149443 is 344941222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222149443 - 2¹³ = 222141251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222149413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67623 + ... + 70831.

It is an arithmetic number, because the mean of its divisors is an integer number (28543320).

Almost surely, 2^222149443 is an apocalyptic number.

222149443 is a deficient number, since it is larger than the sum of its proper divisors (6197117).

222149443 is a wasteful number, since it uses less digits than its factorization.

222149443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117.

The product of its digits is 13824, while the sum is 31.

The square root of 222149443 is about 14904.6785607741. The cubic root of 222149443 is about 605.6407327456.

The spelling of 222149443 in words is "two hundred twenty-two million, one hundred forty-nine thousand, four hundred forty-three".