32228391402 has 32 divisors (see below), whose sum is σ = 71818185600. Its totient is φ = 10712866464.

The previous prime is 32228391401. The next prime is 32228391431. The reversal of 32228391402 is 20419382223.

32228391402 is a `hidden beast` number, since 3 + 2 + 228 + 391 + 40 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (32228391401) 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 15 ways as a sum of consecutive naturals, for example, 811843 + ... + 850614.

It is an arithmetic number, because the mean of its divisors is an integer number (2244318300).

Almost surely, 2^32228391402 is an apocalyptic number.

32228391402 is an abundant number, since it is smaller than the sum of its proper divisors (39589794198).

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

32228391402 is a wasteful number, since it uses less digits than its factorization.

32228391402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662827 (or 1662821 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 32228391402 in words is "thirty-two billion, two hundred twenty-eight million, three hundred ninety-one thousand, four hundred two".