42230474 has 32 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 17582400.

The previous prime is 42230443. The next prime is 42230479. The reversal of 42230474 is 47403224.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42230479) 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, 42119 + ... + 43109.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^42230474 is an apocalyptic number.

42230474 is a deficient number, since it is larger than the sum of its proper divisors (32764726).

42230474 is a wasteful number, since it uses less digits than its factorization.

42230474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 42230474 is about 6498.4978264211. The cubic root of 42230474 is about 348.2373254531.

Adding to 42230474 its reverse (47403224), we get a palindrome (89633698).

The spelling of 42230474 in words is "forty-two million, two hundred thirty thousand, four hundred seventy-four".