22628940476 has 48 divisors (see below), whose sum is σ = 40662881280. Its totient is φ = 11015118720.

The previous prime is 22628940463. The next prime is 22628940491. The reversal of 22628940476 is 67404982622.

It is a happy number.

It is a super-2 number, since 2×22628940476² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26220821 + ... + 26221683.

It is an arithmetic number, because the mean of its divisors is an integer number (847143360).

Almost surely, 2^22628940476 is an apocalyptic number.

It is an amenable number.

22628940476 is a deficient number, since it is larger than the sum of its proper divisors (18033940804).

22628940476 is a wasteful number, since it uses less digits than its factorization.

22628940476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 22628940476 in words is "twenty-two billion, six hundred twenty-eight million, nine hundred forty thousand, four hundred seventy-six".