22044140402 has 4 divisors (see below), whose sum is σ = 33066210606. Its totient is φ = 11022070200.

The previous prime is 22044140351. The next prime is 22044140429. The reversal of 22044140402 is 20404144022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21379995961 + 664144441 = 146219^2 + 25771^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5511035099 + ... + 5511035102.

Almost surely, 2^22044140402 is an apocalyptic number.

22044140402 is a deficient number, since it is larger than the sum of its proper divisors (11022070204).

22044140402 is a wasteful number, since it uses less digits than its factorization.

22044140402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022070203.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22044140402 its reverse (20404144022), we get a palindrome (42448284424).

The spelling of 22044140402 in words is "twenty-two billion, forty-four million, one hundred forty thousand, four hundred two".