22001200220 has 12 divisors (see below), whose sum is σ = 46202520504. Its totient is φ = 8800480080.

The previous prime is 22001200211. The next prime is 22001200237. The reversal of 22001200220 is 2200210022.

It is a super-2 number, since 2×22001200220² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550029986 + ... + 550030025.

It is an arithmetic number, because the mean of its divisors is an integer number (3850210042).

Almost surely, 2^22001200220 is an apocalyptic number.

22001200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001200220 is an abundant number, since it is smaller than the sum of its proper divisors (24201320284).

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

22001200220 is a wasteful number, since it uses less digits than its factorization.

22001200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100060020 (or 1100060018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22001200220 its reverse (2200210022), we get a palindrome (24201410242).

The spelling of 22001200220 in words is "twenty-two billion, one million, two hundred thousand, two hundred twenty".