42033222 has 96 divisors (see below), whose sum is σ = 117465600. Its totient is φ = 10905840.

The previous prime is 42033217. The next prime is 42033223. The reversal of 42033222 is 22233024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42033195 and 42033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42033223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45279 + ... + 46197.

It is an arithmetic number, because the mean of its divisors is an integer number (1223600).

Almost surely, 2^42033222 is an apocalyptic number.

42033222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42033222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58732800).

42033222 is an abundant number, since it is smaller than the sum of its proper divisors (75432378).

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

42033222 is a wasteful number, since it uses less digits than its factorization.

42033222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42033222 is about 6483.3033246949. The cubic root of 42033222 is about 347.6942915698.

Adding to 42033222 its reverse (22233024), we get a palindrome (64266246).

The spelling of 42033222 in words is "forty-two million, thirty-three thousand, two hundred twenty-two".