2002222236 has 96 divisors (see below), whose sum is σ = 5402396160. Its totient is φ = 565346304.

The previous prime is 2002222169. The next prime is 2002222237. The reversal of 2002222236 is 6322222002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002222237) 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, 3518560 + ... + 3519128.

It is an arithmetic number, because the mean of its divisors is an integer number (56274960).

Almost surely, 2^2002222236 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 2002222236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2701198080).

2002222236 is an abundant number, since it is smaller than the sum of its proper divisors (3400173924).

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

2002222236 is a wasteful number, since it uses less digits than its factorization.

2002222236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2002222236 is about 44746.1980060876. The cubic root of 2002222236 is about 1260.3875174897.

Adding to 2002222236 its reverse (6322222002), we get a palindrome (8324444238).

The spelling of 2002222236 in words is "two billion, two million, two hundred twenty-two thousand, two hundred thirty-six".