22012212010220 has 12 divisors (see below), whose sum is σ = 46225645221504. Its totient is φ = 8804884804080.

The previous prime is 22012212010207. The next prime is 22012212010289. The reversal of 22012212010220 is 2201021221022.

It is a happy number.

It is a super-2 number, since 2×22012212010220² (a number of 27 digits) contains 22 as substring.

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, 550305300236 + ... + 550305300275.

It is an arithmetic number, because the mean of its divisors is an integer number (3852137101792).

Almost surely, 2^{22012212010220} is an apocalyptic number.

22012212010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012212010220 is an abundant number, since it is smaller than the sum of its proper divisors (24213433211284).

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

22012212010220 is a wasteful number, since it uses less digits than its factorization.

22012212010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100610600520 (or 1100610600518 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22012212010220 its reverse (2201021221022), we get a palindrome (24213233231242).

The spelling of 22012212010220 in words is "twenty-two trillion, twelve billion, two hundred twelve million, ten thousand, two hundred twenty".