222433420 has 48 divisors (see below), whose sum is σ = 511370496. Its totient is φ = 80600000.

The previous prime is 222433417. The next prime is 222433429. The reversal of 222433420 is 24334222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 222433391 and 222433400.

It is not an unprimeable number, because it can be changed into a prime (222433429) 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, 66795 + ... + 70045.

It is an arithmetic number, because the mean of its divisors is an integer number (10653552).

Almost surely, 2^222433420 is an apocalyptic number.

222433420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222433420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255685248).

222433420 is an abundant number, since it is smaller than the sum of its proper divisors (288937076).

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

222433420 is a wasteful number, since it uses less digits than its factorization.

222433420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582 (or 3580 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 222433420 is about 14914.2019565245. The cubic root of 222433420 is about 605.8986894362.

Adding to 222433420 its reverse (24334222), we get a palindrome (246767642).

It can be divided in two parts, 2 and 22433420, that added together give a palindrome (22433422).

The spelling of 222433420 in words is "two hundred twenty-two million, four hundred thirty-three thousand, four hundred twenty".