22228642737 has 24 divisors (see below), whose sum is σ = 36700192256. Its totient is φ = 12700250496.

The previous prime is 22228642703. The next prime is 22228642747. The reversal of 22228642737 is 73724682222.

It is not a de Polignac number, because 22228642737 - 2⁶ = 22228642673 is a prime.

It is a super-2 number, since 2×22228642737² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22228642692 and 22228642701.

It is not an unprimeable number, because it can be changed into a prime (22228642747) 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 23 ways as a sum of consecutive naturals, for example, 500793 + ... + 543369.

Almost surely, 2^22228642737 is an apocalyptic number.

It is an amenable number.

22228642737 is a deficient number, since it is larger than the sum of its proper divisors (14471549519).

22228642737 is a wasteful number, since it uses less digits than its factorization.

22228642737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50877 (or 50874 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The spelling of 22228642737 in words is "twenty-two billion, two hundred twenty-eight million, six hundred forty-two thousand, seven hundred thirty-seven".