22276979528 has 8 divisors (see below), whose sum is σ = 41769336630. Its totient is φ = 11138489760.

The previous prime is 22276979507. The next prime is 22276979539. The reversal of 22276979528 is 82597967222.

It can be written as a sum of positive squares in only one way, i.e., 14873753764 + 7403225764 = 121958^2 + 86042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22276979528² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392311213 + ... + 1392311228.

Almost surely, 2^22276979528 is an apocalyptic number.

It is an amenable number.

22276979528 is a deficient number, since it is larger than the sum of its proper divisors (19492357102).

22276979528 is a wasteful number, since it uses less digits than its factorization.

22276979528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784622447 (or 2784622443 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 59.

The spelling of 22276979528 in words is "twenty-two billion, two hundred seventy-six million, nine hundred seventy-nine thousand, five hundred twenty-eight".