22402402402 has 16 divisors (see below), whose sum is σ = 34698949632. Its totient is φ = 10836322560.

The previous prime is 22402402397. The next prime is 22402402403. The reversal of 22402402402 is 20420420422.

It is a happy number.

It is a super-2 number, since 2×22402402402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22402402403) 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, 136903 + ... + 252085.

It is an arithmetic number, because the mean of its divisors is an integer number (2168684352).

Almost surely, 2^22402402402 is an apocalyptic number.

22402402402 is a deficient number, since it is larger than the sum of its proper divisors (12296547230).

22402402402 is a wasteful number, since it uses less digits than its factorization.

22402402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118353.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22402402402 its reverse (20420420422), we get a palindrome (42822822824).

The spelling of 22402402402 in words is "twenty-two billion, four hundred two million, four hundred two thousand, four hundred two".