22000002102 has 48 divisors (see below), whose sum is σ = 51548253120. Its totient is φ = 6740891136.

The previous prime is 22000002091. The next prime is 22000002119. The reversal of 22000002102 is 20120000022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140763 + ... + 252614.

It is an arithmetic number, because the mean of its divisors is an integer number (1073921940).

Almost surely, 2^22000002102 is an apocalyptic number.

22000002102 is an abundant number, since it is smaller than the sum of its proper divisors (29548251018).

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

22000002102 is a wasteful number, since it uses less digits than its factorization.

22000002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393637 (or 393634 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 22000002102 its reverse (20120000022), we get a palindrome (42120002124).

The spelling of 22000002102 in words is "twenty-two billion, two thousand, one hundred two".