42222313 has 16 divisors (see below), whose sum is σ = 50974720. Its totient is φ = 34163856.

The previous prime is 42222311. The next prime is 42222317. The reversal of 42222313 is 31322224.

It is a cyclic number.

It is not a de Polignac number, because 42222313 - 2¹ = 42222311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (42222311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69256 + ... + 69862.

It is an arithmetic number, because the mean of its divisors is an integer number (3185920).

Almost surely, 2^42222313 is an apocalyptic number.

It is an amenable number.

42222313 is a deficient number, since it is larger than the sum of its proper divisors (8752407).

42222313 is a wasteful number, since it uses less digits than its factorization.

42222313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its digits is 576, while the sum is 19.

The square root of 42222313 is about 6497.8698817382. The cubic root of 42222313 is about 348.2148918278.

Adding to 42222313 its reverse (31322224), we get a palindrome (73544537).

The spelling of 42222313 in words is "forty-two million, two hundred twenty-two thousand, three hundred thirteen".