42213030 has 16 divisors (see below), whose sum is σ = 101311344. Its totient is φ = 11256800.

The previous prime is 42213029. The next prime is 42213077. The reversal of 42213030 is 3031224.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703521 + ... + 703580.

It is an arithmetic number, because the mean of its divisors is an integer number (6331959).

Almost surely, 2^42213030 is an apocalyptic number.

42213030 is an abundant number, since it is smaller than the sum of its proper divisors (59098314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42213030 is a wasteful number, since it uses less digits than its factorization.

42213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407111.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42213030 is about 6497.1555314614. The cubic root of 42213030 is about 348.1893704424.

Adding to 42213030 its reverse (3031224), we get a palindrome (45244254).

The spelling of 42213030 in words is "forty-two million, two hundred thirteen thousand, thirty".