2140203222 has 80 divisors (see below), whose sum is σ = 5023130112. Its totient is φ = 679797360.

The previous prime is 2140203217. The next prime is 2140203227. The reversal of 2140203222 is 2223020412.

It is an interprime number because it is at equal distance from previous prime (2140203217) and next prime (2140203227).

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 = 2140203195 and 2140203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140203227) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1142947 + ... + 1144817.

Almost surely, 2^2140203222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140203222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511565056).

2140203222 is an abundant number, since it is smaller than the sum of its proper divisors (2882926890).

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

2140203222 is a wasteful number, since it uses less digits than its factorization.

2140203222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2140203222 is about 46262.3304860445. The cubic root of 2140203222 is about 1288.6995331212.

Adding to 2140203222 its reverse (2223020412), we get a palindrome (4363223634).

The spelling of 2140203222 in words is "two billion, one hundred forty million, two hundred three thousand, two hundred twenty-two".