28247322032 has 40 divisors (see below), whose sum is σ = 56277621216. Its totient is φ = 13725006336.

The previous prime is 28247322031. The next prime is 28247322067. The reversal of 28247322032 is 23022374282.

It is a happy number.

It is a super-2 number, since 2×28247322032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28247321983 and 28247322001.

It is not an unprimeable number, because it can be changed into a prime (28247322031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458228 + ... + 516204.

Almost surely, 2^28247322032 is an apocalyptic number.

It is an amenable number.

28247322032 is a deficient number, since it is larger than the sum of its proper divisors (28030299184).

28247322032 is a wasteful number, since it uses less digits than its factorization.

28247322032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58845 (or 58839 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 28247322032 in words is "twenty-eight billion, two hundred forty-seven million, three hundred twenty-two thousand, thirty-two".