42113229 has 8 divisors (see below), whose sum is σ = 56730240. Its totient is φ = 27785856.

The previous prime is 42113219. The next prime is 42113231. The reversal of 42113229 is 92231124.

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

It is not a de Polignac number, because 42113229 - 2¹⁵ = 42080461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42113199 and 42113208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42113219) 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, 72069 + ... + 72650.

It is an arithmetic number, because the mean of its divisors is an integer number (7091280).

Almost surely, 2^42113229 is an apocalyptic number.

It is an amenable number.

42113229 is a deficient number, since it is larger than the sum of its proper divisors (14617011).

42113229 is a wasteful number, since it uses less digits than its factorization.

42113229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144819.

The product of its digits is 864, while the sum is 24.

The square root of 42113229 is about 6489.4706255595. The cubic root of 42113229 is about 347.9147548502.

Adding to 42113229 its sum of digits (24), we get a triangular number (42113253 = T₉₁₇₇).

The spelling of 42113229 in words is "forty-two million, one hundred thirteen thousand, two hundred twenty-nine".