28222603362 has 90 divisors (see below), whose sum is σ = 64525028337. Its totient is φ = 9220082256.

The previous prime is 28222603361. The next prime is 28222603373. The reversal of 28222603362 is 26330622282.

28222603362 is a `hidden beast` number, since 28 + 2 + 22 + 603 + 3 + 6 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18081911961 + 10140691401 = 134469^2 + 100701^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=118791.

It is not an unprimeable number, because it can be changed into a prime (28222603361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 143261848 + ... + 143262044.

Almost surely, 2^28222603362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28222603362

28222603362 is an abundant number, since it is smaller than the sum of its proper divisors (36302424975).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28222603362 is an frugal number, since it uses more digits than its factorization.

28222603362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 28222603362 in words is "twenty-eight billion, two hundred twenty-two million, six hundred three thousand, three hundred sixty-two".