22122102002 has 128 divisors (see below), whose sum is σ = 47027312640. Its totient is φ = 7516592640.

The previous prime is 22122102001. The next prime is 22122102049. The reversal of 22122102002 is 20020122122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22122102001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21414878 + ... + 21415910.

It is an arithmetic number, because the mean of its divisors is an integer number (367400880).

Almost surely, 2^22122102002 is an apocalyptic number.

22122102002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22122102002 is an abundant number, since it is smaller than the sum of its proper divisors (24905210638).

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

22122102002 is a wasteful number, since it uses less digits than its factorization.

22122102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22122102002 its reverse (20020122122), we get a palindrome (42142224124).

The spelling of 22122102002 in words is "twenty-two billion, one hundred twenty-two million, one hundred two thousand, two".