22235531102220 has 192 divisors, whose sum is σ = 64644511067136. Its totient is φ = 5705991889920.

The previous prime is 22235531102201. The next prime is 22235531102227. The reversal of 22235531102220 is 2220113553222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22235531102227) 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, 182181015 + ... + 182303025.

It is an arithmetic number, because the mean of its divisors is an integer number (336690161808).

Almost surely, 2^{22235531102220} is an apocalyptic number.

22235531102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22235531102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32322255533568).

22235531102220 is an abundant number, since it is smaller than the sum of its proper divisors (42408979964916).

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

22235531102220 is a wasteful number, since it uses less digits than its factorization.

22235531102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122960 (or 122958 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22235531102220 its reverse (2220113553222), we get a palindrome (24455644655442).

The spelling of 22235531102220 in words is "twenty-two trillion, two hundred thirty-five billion, five hundred thirty-one million, one hundred two thousand, two hundred twenty".