97181229 has 8 divisors (see below), whose sum is σ = 129729600. Its totient is φ = 64710176.

The previous prime is 97181207. The next prime is 97181251. The reversal of 97181229 is 92218179.

It is an interprime number because it is at equal distance from previous prime (97181207) and next prime (97181251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97181229 - 2⁸ = 97180973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97181429) 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, 16329 + ... + 21470.

It is an arithmetic number, because the mean of its divisors is an integer number (16216200).

Almost surely, 2^97181229 is an apocalyptic number.

It is an amenable number.

97181229 is a deficient number, since it is larger than the sum of its proper divisors (32548371).

97181229 is a wasteful number, since it uses less digits than its factorization.

97181229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38659.

The product of its digits is 18144, while the sum is 39.

The square root of 97181229 is about 9858.0540168940. The cubic root of 97181229 is about 459.7560600114.

The spelling of 97181229 in words is "ninety-seven million, one hundred eighty-one thousand, two hundred twenty-nine".