42211430 has 16 divisors (see below), whose sum is σ = 76068720. Its totient is φ = 16864992.

The previous prime is 42211409. The next prime is 42211439. The reversal of 42211430 is 3411224.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42211399 and 42211408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42211439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9281 + ... + 13059.

It is an arithmetic number, because the mean of its divisors is an integer number (4754295).

Almost surely, 2^42211430 is an apocalyptic number.

42211430 is a deficient number, since it is larger than the sum of its proper divisors (33857290).

42211430 is a wasteful number, since it uses less digits than its factorization.

42211430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42211430 is about 6497.0323994882. The cubic root of 42211430 is about 348.1849712475.

Adding to 42211430 its reverse (3411224), we get a palindrome (45622654).

The spelling of 42211430 in words is "forty-two million, two hundred eleven thousand, four hundred thirty".