22202402445 has 12 divisors (see below), whose sum is σ = 38484164316. Its totient is φ = 11841281280.

The previous prime is 22202402437. The next prime is 22202402449. The reversal of 22202402445 is 54420420222.

It can be written as a sum of positive squares in 2 ways, for example, as 13829054409 + 8373348036 = 117597^2 + 91506^2 .

It is not a de Polignac number, because 22202402445 - 2³ = 22202402437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202402449) 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 11 ways as a sum of consecutive naturals, for example, 246693316 + ... + 246693405.

It is an arithmetic number, because the mean of its divisors is an integer number (3207013693).

Almost surely, 2^22202402445 is an apocalyptic number.

It is an amenable number.

22202402445 is a deficient number, since it is larger than the sum of its proper divisors (16281761871).

22202402445 is a wasteful number, since it uses less digits than its factorization.

22202402445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493386732 (or 493386729 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 22202402445 its reverse (54420420222), we get a palindrome (76622822667).

The spelling of 22202402445 in words is "twenty-two billion, two hundred two million, four hundred two thousand, four hundred forty-five".