22440420202 has 16 divisors (see below), whose sum is σ = 34486163712. Its totient is φ = 10945104480.

The previous prime is 22440420179. The next prime is 22440420209. The reversal of 22440420202 is 20202404422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22440420209) 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, 878503 + ... + 903685.

It is an arithmetic number, because the mean of its divisors is an integer number (2155385232).

Almost surely, 2^22440420202 is an apocalyptic number.

22440420202 is a deficient number, since it is larger than the sum of its proper divisors (12045743510).

22440420202 is a wasteful number, since it uses less digits than its factorization.

22440420202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36093.

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

Adding to 22440420202 its reverse (20202404422), we get a palindrome (42642824624).

The spelling of 22440420202 in words is "twenty-two billion, four hundred forty million, four hundred twenty thousand, two hundred two".