22421023402 has 16 divisors (see below), whose sum is σ = 35281267200. Its totient is φ = 10671490480.

The previous prime is 22421023399. The next prime is 22421023409. The reversal of 22421023402 is 20432012422.

It is not an unprimeable number, because it can be changed into a prime (22421023409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2718202 + ... + 2726437.

It is an arithmetic number, because the mean of its divisors is an integer number (2205079200).

Almost surely, 2^22421023402 is an apocalyptic number.

22421023402 is a deficient number, since it is larger than the sum of its proper divisors (12860243798).

22421023402 is a wasteful number, since it uses less digits than its factorization.

22421023402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444741.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22421023402 its reverse (20432012422), we get a palindrome (42853035824).

The spelling of 22421023402 in words is "twenty-two billion, four hundred twenty-one million, twenty-three thousand, four hundred two".