22002223402 has 32 divisors (see below), whose sum is σ = 36695070720. Its totient is φ = 9851330160.

The previous prime is 22002223393. The next prime is 22002223409. The reversal of 22002223402 is 20432220022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22002223402.

It is not an unprimeable number, because it can be changed into a prime (22002223409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166528 + ... + 267835.

It is an arithmetic number, because the mean of its divisors is an integer number (1146720960).

Almost surely, 2^22002223402 is an apocalyptic number.

22002223402 is a deficient number, since it is larger than the sum of its proper divisors (14692847318).

22002223402 is a wasteful number, since it uses less digits than its factorization.

22002223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434458.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 22002223402 its reverse (20432220022), we get a palindrome (42434443424).

The spelling of 22002223402 in words is "twenty-two billion, two million, two hundred twenty-three thousand, four hundred two".