2202153052242 has 128 divisors (see below), whose sum is σ = 5270860562688. Its totient is φ = 609633699840.

The previous prime is 2202153052213. The next prime is 2202153052247. The reversal of 2202153052242 is 2422503512022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2202153052247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9961008 + ... + 10179684.

It is an arithmetic number, because the mean of its divisors is an integer number (41178598146).

Almost surely, 2^{2202153052242} is an apocalyptic number.

2202153052242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2202153052242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2635430281344).

2202153052242 is an abundant number, since it is smaller than the sum of its proper divisors (3068707510446).

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

2202153052242 is a wasteful number, since it uses less digits than its factorization.

2202153052242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218825 (or 218803 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 2202153052242 its reverse (2422503512022), we get a palindrome (4624656564264).

The spelling of 2202153052242 in words is "two trillion, two hundred two billion, one hundred fifty-three million, fifty-two thousand, two hundred forty-two".