42966229 has 4 divisors (see below), whose sum is σ = 43607584. Its totient is φ = 42324876.

The previous prime is 42966227. The next prime is 42966233. The reversal of 42966229 is 92266924.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 42966229 - 2¹ = 42966227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42966191 and 42966200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42966221) 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, 320577 + ... + 320710.

It is an arithmetic number, because the mean of its divisors is an integer number (10901896).

Almost surely, 2^42966229 is an apocalyptic number.

It is an amenable number.

42966229 is a deficient number, since it is larger than the sum of its proper divisors (641355).

42966229 is an equidigital number, since it uses as much as digits as its factorization.

42966229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641354.

The product of its digits is 93312, while the sum is 40.

The square root of 42966229 is about 6554.8630039079. The cubic root of 42966229 is about 350.2480663156.

The spelling of 42966229 in words is "forty-two million, nine hundred sixty-six thousand, two hundred twenty-nine".