42223896 has 128 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 11802240.

The previous prime is 42223879. The next prime is 42223897. The reversal of 42223896 is 69832224.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 42223896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30205 + ... + 31571.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^42223896 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 42223896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68947200).

42223896 is an abundant number, since it is smaller than the sum of its proper divisors (95670504).

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

42223896 is a wasteful number, since it uses less digits than its factorization.

42223896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1396 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 42223896 is about 6497.9916897454. The cubic root of 42223896 is about 348.2192435338.

It can be divided in two parts, 4222 and 3896, that added together give a palindrome (8118).

The spelling of 42223896 in words is "forty-two million, two hundred twenty-three thousand, eight hundred ninety-six".