97220769 has 8 divisors (see below), whose sum is σ = 132385920. Its totient is φ = 63434736.

The previous prime is 97220749. The next prime is 97220771. The reversal of 97220769 is 96702279.

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

It is not a de Polignac number, because 97220769 - 2⁹ = 97220257 is a prime.

It is a super-2 number, since 2×97220769² = 18903755849902722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97220769.

It is not an unprimeable number, because it can be changed into a prime (97220749) 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, 344614 + ... + 344895.

It is an arithmetic number, because the mean of its divisors is an integer number (16548240).

Almost surely, 2^97220769 is an apocalyptic number.

It is an amenable number.

97220769 is a deficient number, since it is larger than the sum of its proper divisors (35165151).

97220769 is a wasteful number, since it uses less digits than its factorization.

97220769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689559.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 97220769 is about 9860.0592797407. The cubic root of 97220769 is about 459.8184050064.

The spelling of 97220769 in words is "ninety-seven million, two hundred twenty thousand, seven hundred sixty-nine".