42226757 has 4 divisors (see below), whose sum is σ = 42460236. Its totient is φ = 41993280.

The previous prime is 42226747. The next prime is 42226763. The reversal of 42226757 is 75762224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19483396 + 22743361 = 4414^2 + 4769^2 .

It is a cyclic number.

It is not a de Polignac number, because 42226757 - 2⁴ = 42226741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42226747) 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, 116468 + ... + 116829.

It is an arithmetic number, because the mean of its divisors is an integer number (10615059).

Almost surely, 2^42226757 is an apocalyptic number.

It is an amenable number.

42226757 is a deficient number, since it is larger than the sum of its proper divisors (233479).

42226757 is a wasteful number, since it uses less digits than its factorization.

42226757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233478.

The product of its digits is 47040, while the sum is 35.

The square root of 42226757 is about 6498.2118309578. The cubic root of 42226757 is about 348.2271082175.

The spelling of 42226757 in words is "forty-two million, two hundred twenty-six thousand, seven hundred fifty-seven".