42212467 has 4 divisors (see below), whose sum is σ = 46049976. Its totient is φ = 38374960.

The previous prime is 42212459. The next prime is 42212473. The reversal of 42212467 is 76421224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42212467 - 2³ = 42212459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42212497) 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 3 ways as a sum of consecutive naturals, for example, 1918738 + ... + 1918759.

It is an arithmetic number, because the mean of its divisors is an integer number (11512494).

Almost surely, 2^42212467 is an apocalyptic number.

42212467 is a deficient number, since it is larger than the sum of its proper divisors (3837509).

42212467 is a wasteful number, since it uses less digits than its factorization.

42212467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837508.

The product of its digits is 5376, while the sum is 28.

The square root of 42212467 is about 6497.1122046645. The cubic root of 42212467 is about 348.1878224883.

The spelling of 42212467 in words is "forty-two million, two hundred twelve thousand, four hundred sixty-seven".