22054021628 has 24 divisors (see below), whose sum is σ = 38875060224. Its totient is φ = 10947150000.

The previous prime is 22054021597. The next prime is 22054021667. The reversal of 22054021628 is 82612045022.

It is a junction number, because it is equal to n+sod(n) for n = 22054021594 and 22054021603.

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 7 ways as a sum of consecutive naturals, for example, 272453 + ... + 344003.

It is an arithmetic number, because the mean of its divisors is an integer number (1619794176).

Almost surely, 2^22054021628 is an apocalyptic number.

It is an amenable number.

22054021628 is a deficient number, since it is larger than the sum of its proper divisors (16821038596).

22054021628 is a wasteful number, since it uses less digits than its factorization.

22054021628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72113 (or 72111 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 22054021628 in words is "twenty-two billion, fifty-four million, twenty-one thousand, six hundred twenty-eight".