222398741 has 8 divisors (see below), whose sum is σ = 227571000. Its totient is φ = 217275840.

The previous prime is 222398677. The next prime is 222398747. The reversal of 222398741 is 147893222.

It can be written as a sum of positive squares in 4 ways, for example, as 22600516 + 199798225 = 4754^2 + 14135^2 .

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 222398741 - 2⁶ = 222398677 is a prime.

It is a super-2 number, since 2×222398741² = 98922399996770162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222398695 and 222398704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222398747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3146 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (28446375).

Almost surely, 2^222398741 is an apocalyptic number.

It is an amenable number.

222398741 is a deficient number, since it is larger than the sum of its proper divisors (5172259).

222398741 is a wasteful number, since it uses less digits than its factorization.

222398741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24679.

The product of its digits is 48384, while the sum is 38.

The square root of 222398741 is about 14913.0392945234. The cubic root of 222398741 is about 605.8671997846.

The spelling of 222398741 in words is "two hundred twenty-two million, three hundred ninety-eight thousand, seven hundred forty-one".