97802227 has 4 divisors (see below), whose sum is σ = 97910496. Its totient is φ = 97693960.

The previous prime is 97802219. The next prime is 97802231. The reversal of 97802227 is 72220879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72220879 = 17 ⋅4248287.

It is a cyclic number.

It is not a de Polignac number, because 97802227 - 2³ = 97802219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97802267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52768 + ... + 54589.

It is an arithmetic number, because the mean of its divisors is an integer number (24477624).

Almost surely, 2^97802227 is an apocalyptic number.

97802227 is a deficient number, since it is larger than the sum of its proper divisors (108269).

97802227 is a wasteful number, since it uses less digits than its factorization.

97802227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108268.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 97802227 is about 9889.5008468577. The cubic root of 97802227 is about 460.7332775446.

The spelling of 97802227 in words is "ninety-seven million, eight hundred two thousand, two hundred twenty-seven".