221422602142050 has 192 divisors, whose sum is σ = 573675497846784. Its totient is φ = 56412570227200.

The previous prime is 221422602142013. The next prime is 221422602142057. The reversal of 221422602142050 is 50241206224122.

221422602142050 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221422602142057) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28789828705 + ... + 28789836395.

It is an arithmetic number, because the mean of its divisors is an integer number (2987893217952).

Almost surely, 2^{221422602142050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221422602142050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286837748923392).

221422602142050 is an abundant number, since it is smaller than the sum of its proper divisors (352252895704734).

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

221422602142050 is a wasteful number, since it uses less digits than its factorization.

221422602142050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16433 (or 16428 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 221422602142050 its reverse (50241206224122), we get a palindrome (271663808366172).

The spelling of 221422602142050 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, six hundred two million, one hundred forty-two thousand, fifty".