219066741 has 16 divisors (see below), whose sum is σ = 326089920. Its totient is φ = 145348560.

The previous prime is 219066733. The next prime is 219066791. The reversal of 219066741 is 147660912.

It is not a de Polignac number, because 219066741 - 2³ = 219066733 is a prime.

It is a super-2 number, since 2×219066741² = 95980474024722162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 219066696 and 219066705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219066791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13530 + ... + 24923.

It is an arithmetic number, because the mean of its divisors is an integer number (20380620).

Almost surely, 2^219066741 is an apocalyptic number.

It is an amenable number.

219066741 is a deficient number, since it is larger than the sum of its proper divisors (107023179).

219066741 is a wasteful number, since it uses less digits than its factorization.

219066741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38673 (or 38667 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 219066741 is about 14800.9033845911. The cubic root of 219066741 is about 602.8262413635.

The spelling of 219066741 in words is "two hundred nineteen million, sixty-six thousand, seven hundred forty-one".