222433149 has 4 divisors (see below), whose sum is σ = 296577536. Its totient is φ = 148288764.

The previous prime is 222433121. The next prime is 222433181. The reversal of 222433149 is 941334222.

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 not a de Polignac number, because 222433149 - 2⁷ = 222433021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222433199) 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, 37072189 + ... + 37072194.

It is an arithmetic number, because the mean of its divisors is an integer number (74144384).

Almost surely, 2^222433149 is an apocalyptic number.

It is an amenable number.

222433149 is a deficient number, since it is larger than the sum of its proper divisors (74144387).

222433149 is an equidigital number, since it uses as much as digits as its factorization.

222433149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74144386.

The product of its digits is 10368, while the sum is 30.

The square root of 222433149 is about 14914.1928712217. The cubic root of 222433149 is about 605.8984433722.

The spelling of 222433149 in words is "two hundred twenty-two million, four hundred thirty-three thousand, one hundred forty-nine".