22222001022 has 32 divisors (see below), whose sum is σ = 48239665152. Its totient is φ = 6783696864.

The previous prime is 22222001017. The next prime is 22222001041. The reversal of 22222001022 is 22010022222.

It is a junction number, because it is equal to n+sod(n) for n = 22222000992 and 22222001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111738 + ... + 1131549.

It is an arithmetic number, because the mean of its divisors is an integer number (1507489536).

Almost surely, 2^22222001022 is an apocalyptic number.

22222001022 is an abundant number, since it is smaller than the sum of its proper divisors (26017664130).

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

22222001022 is a wasteful number, since it uses less digits than its factorization.

22222001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243432.

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

Adding to 22222001022 its reverse (22010022222), we get a palindrome (44232023244).

It can be divided in two parts, 2222200 and 1022, that added together give a palindrome (2223222).

The spelling of 22222001022 in words is "twenty-two billion, two hundred twenty-two million, one thousand, twenty-two".