22288139901 has 40 divisors (see below), whose sum is σ = 35279000064. Its totient is φ = 13974456960.

The previous prime is 22288139893. The next prime is 22288139917. The reversal of 22288139901 is 10993188222.

It is a happy number.

It is not a de Polignac number, because 22288139901 - 2³ = 22288139893 is a prime.

It is a super-2 number, since 2×22288139901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22288139501) 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 39 ways as a sum of consecutive naturals, for example, 2158116 + ... + 2168418.

Almost surely, 2^22288139901 is an apocalyptic number.

It is an amenable number.

22288139901 is a deficient number, since it is larger than the sum of its proper divisors (12990860163).

22288139901 is a wasteful number, since it uses less digits than its factorization.

22288139901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11903 (or 11894 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 22288139901 in words is "twenty-two billion, two hundred eighty-eight million, one hundred thirty-nine thousand, nine hundred one".