20222225406 has 12 divisors (see below), whose sum is σ = 43814821752. Its totient is φ = 6740741796.

The previous prime is 20222225399. The next prime is 20222225431. The reversal of 20222225406 is 60452222202.

It is a self number, because there is not a number n which added to its sum of digits gives 20222225406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561728466 + ... + 561728501.

It is an arithmetic number, because the mean of its divisors is an integer number (3651235146).

Almost surely, 2^20222225406 is an apocalyptic number.

20222225406 is an abundant number, since it is smaller than the sum of its proper divisors (23592596346).

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

20222225406 is a wasteful number, since it uses less digits than its factorization.

20222225406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123456975 (or 1123456972 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20222225406 its reverse (60452222202), we get a palindrome (80674447608).

The spelling of 20222225406 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-five thousand, four hundred six".