42212436 has 48 divisors (see below), whose sum is σ = 113293824. Its totient is φ = 11982816.

The previous prime is 42212431. The next prime is 42212441. The reversal of 42212436 is 63421224.

42212436 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (42212431) and next prime (42212441).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42212431) 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, 12151 + ... + 15233.

It is an arithmetic number, because the mean of its divisors is an integer number (2360288).

Almost surely, 2^42212436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42212436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56646912).

42212436 is an abundant number, since it is smaller than the sum of its proper divisors (71081388).

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

42212436 is a wasteful number, since it uses less digits than its factorization.

42212436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260 (or 3258 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 42212436 is about 6497.1098189887. The cubic root of 42212436 is about 348.1877372542.

The spelling of 42212436 in words is "forty-two million, two hundred twelve thousand, four hundred thirty-six".