42227413 has 4 divisors (see below), whose sum is σ = 42391980. Its totient is φ = 42062848.

The previous prime is 42227411. The next prime is 42227429. The reversal of 42227413 is 31472224.

It is a happy number.

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 19731364 + 22496049 = 4442^2 + 4743^2 .

It is a cyclic number.

It is not a de Polignac number, because 42227413 - 2¹ = 42227411 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 (42227411) 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, 81898 + ... + 82411.

It is an arithmetic number, because the mean of its divisors is an integer number (10597995).

Almost surely, 2^42227413 is an apocalyptic number.

It is an amenable number.

42227413 is a deficient number, since it is larger than the sum of its proper divisors (164567).

42227413 is a wasteful number, since it uses less digits than its factorization.

42227413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164566.

The product of its digits is 2688, while the sum is 25.

The square root of 42227413 is about 6498.2623061862. The cubic root of 42227413 is about 348.2289114643.

Adding to 42227413 its reverse (31472224), we get a palindrome (73699637).

The spelling of 42227413 in words is "forty-two million, two hundred twenty-seven thousand, four hundred thirteen".