28200422170 has 16 divisors (see below), whose sum is σ = 50779328328. Its totient is φ = 11276042560.

The previous prime is 28200422149. The next prime is 28200422191. The reversal of 28200422170 is 7122400282.

It is an interprime number because it is at equal distance from previous prime (28200422149) and next prime (28200422191).

It can be written as a sum of positive squares in 4 ways, for example, as 18376242481 + 9824179689 = 135559^2 + 99117^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487009 + ... + 541828.

Almost surely, 2^28200422170 is an apocalyptic number.

28200422170 is a deficient number, since it is larger than the sum of its proper divisors (22578906158).

28200422170 is a wasteful number, since it uses less digits than its factorization.

28200422170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031585.

The product of its (nonzero) digits is 3584, while the sum is 28.

The spelling of 28200422170 in words is "twenty-eight billion, two hundred million, four hundred twenty-two thousand, one hundred seventy".