97222279 has 16 divisors (see below), whose sum is σ = 121754880. Its totient is φ = 75418560.

The previous prime is 97222277. The next prime is 97222289.

97222279 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97222279 - 2¹ = 97222277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97222277) 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 15 ways as a sum of consecutive naturals, for example, 15232 + ... + 20650.

It is an arithmetic number, because the mean of its divisors is an integer number (7609680).

Almost surely, 2^97222279 is an apocalyptic number.

97222279 is a deficient number, since it is larger than the sum of its proper divisors (24532601).

97222279 is a wasteful number, since it uses less digits than its factorization.

97222279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5670.

The product of its digits is 63504, while the sum is 40.

The square root of 97222279 is about 9860.1358509911. The cubic root of 97222279 is about 459.8207855753.

The spelling of 97222279 in words is "ninety-seven million, two hundred twenty-two thousand, two hundred seventy-nine".