97228549 has 4 divisors (see below), whose sum is σ = 106067520. Its totient is φ = 88389580.

The previous prime is 97228511. The next prime is 97228583. The reversal of 97228549 is 94582279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97228549 - 2⁹ = 97228037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97228499 and 97228508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97228349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4419469 + ... + 4419490.

It is an arithmetic number, because the mean of its divisors is an integer number (26516880).

Almost surely, 2^97228549 is an apocalyptic number.

It is an amenable number.

97228549 is a deficient number, since it is larger than the sum of its proper divisors (8838971).

97228549 is a wasteful number, since it uses less digits than its factorization.

97228549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8838970.

The product of its digits is 362880, while the sum is 46.

The square root of 97228549 is about 9860.4537928028. The cubic root of 97228549 is about 459.8306701901.

The spelling of 97228549 in words is "ninety-seven million, two hundred twenty-eight thousand, five hundred forty-nine".