221202200022 has 16 divisors (see below), whose sum is σ = 443817836400. Its totient is φ = 73498493952.

The previous prime is 221202200017. The next prime is 221202200027. The reversal of 221202200022 is 220002202122.

It is an interprime number because it is at equal distance from previous prime (221202200017) and next prime (221202200027).

It is a junction number, because it is equal to n+sod(n) for n = 221202199974 and 221202200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221202200027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58891147 + ... + 58894902.

It is an arithmetic number, because the mean of its divisors is an integer number (27738614775).

Almost surely, 2^221202200022 is an apocalyptic number.

221202200022 is an abundant number, since it is smaller than the sum of its proper divisors (222615636378).

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

221202200022 is a wasteful number, since it uses less digits than its factorization.

221202200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117786367.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 221202200022 its reverse (220002202122), we get a palindrome (441204402144).

The spelling of 221202200022 in words is "two hundred twenty-one billion, two hundred two million, two hundred thousand, twenty-two".