222220020051 has 64 divisors (see below), whose sum is σ = 360594892800. Its totient is φ = 134770791168.

The previous prime is 222220019981. The next prime is 222220020073. The reversal of 222220020051 is 150020022222.

It is not a de Polignac number, because 222220020051 - 2¹³ = 222220011859 is a prime.

It is a super-2 number, since 2×222220020051² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222220120051) 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, 1190935 + ... + 1364831.

It is an arithmetic number, because the mean of its divisors is an integer number (5634295200).

Almost surely, 2^222220020051 is an apocalyptic number.

222220020051 is a deficient number, since it is larger than the sum of its proper divisors (138374872749).

222220020051 is a wasteful number, since it uses less digits than its factorization.

222220020051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174025 (or 174019 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 222220020051 its reverse (150020022222), we get a palindrome (372240042273).

The spelling of 222220020051 in words is "two hundred twenty-two billion, two hundred twenty million, twenty thousand, fifty-one".