42213430 has 32 divisors (see below), whose sum is σ = 87748416. Its totient is φ = 14321664.

The previous prime is 42213419. The next prime is 42213449. The reversal of 42213430 is 3431224.

It is a junction number, because it is equal to n+sod(n) for n = 42213398 and 42213407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3682 + ... + 9898.

It is an arithmetic number, because the mean of its divisors is an integer number (2742138).

Almost surely, 2^42213430 is an apocalyptic number.

42213430 is an abundant number, since it is smaller than the sum of its proper divisors (45534986).

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

42213430 is a wasteful number, since it uses less digits than its factorization.

42213430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328.

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

The square root of 42213430 is about 6497.1863140901. The cubic root of 42213430 is about 348.1904702237.

Adding to 42213430 its reverse (3431224), we get a palindrome (45644654).

The spelling of 42213430 in words is "forty-two million, two hundred thirteen thousand, four hundred thirty".