19149229 has 8 divisors (see below), whose sum is σ = 21083040. Its totient is φ = 17247600.

The previous prime is 19149223. The next prime is 19149253. The reversal of 19149229 is 92294191.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19149229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19149223) 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, 6787 + ... + 9184.

It is an arithmetic number, because the mean of its divisors is an integer number (2635380).

Almost surely, 2^19149229 is an apocalyptic number.

It is an amenable number.

19149229 is a deficient number, since it is larger than the sum of its proper divisors (1933811).

19149229 is a wasteful number, since it uses less digits than its factorization.

19149229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16091.

The product of its digits is 11664, while the sum is 37.

The square root of 19149229 is about 4375.9832038069. The cubic root of 19149229 is about 267.5369454313.

The spelling of 19149229 in words is "nineteen million, one hundred forty-nine thousand, two hundred twenty-nine".