20225023222 has 16 divisors (see below), whose sum is σ = 30878406144. Its totient is φ = 9933273000.

The previous prime is 20225023171. The next prime is 20225023223. The reversal of 20225023222 is 22232052202.

It is a super-2 number, since 2×20225023222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20225023193 and 20225023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225023223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224304 + ... + 301267.

It is an arithmetic number, because the mean of its divisors is an integer number (1929900384).

Almost surely, 2^20225023222 is an apocalyptic number.

20225023222 is a deficient number, since it is larger than the sum of its proper divisors (10653382922).

20225023222 is a wasteful number, since it uses less digits than its factorization.

20225023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525915.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 20225023222 its reverse (22232052202), we get a palindrome (42457075424).

The spelling of 20225023222 in words is "twenty billion, two hundred twenty-five million, twenty-three thousand, two hundred twenty-two".