22222305402 has 16 divisors (see below), whose sum is σ = 48485030112. Its totient is φ = 6734031920.

The previous prime is 22222305401. The next prime is 22222305421. The reversal of 22222305402 is 20450322222.

It is not an unprimeable number, because it can be changed into a prime (22222305401) 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, 168350733 + ... + 168350864.

It is an arithmetic number, because the mean of its divisors is an integer number (3030314382).

Almost surely, 2^22222305402 is an apocalyptic number.

22222305402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222305402 is an abundant number, since it is smaller than the sum of its proper divisors (26262724710).

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

22222305402 is a wasteful number, since it uses less digits than its factorization.

22222305402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336701613.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 22222305402 its reverse (20450322222), we get a palindrome (42672627624).

The spelling of 22222305402 in words is "twenty-two billion, two hundred twenty-two million, three hundred five thousand, four hundred two".