97121222 has 8 divisors (see below), whose sum is σ = 158925672. Its totient is φ = 44146000.

The previous prime is 97121209. The next prime is 97121279. The reversal of 97121222 is 22212179.

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

It is a junction number, because it is equal to n+sod(n) for n = 97121191 and 97121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207279 + ... + 2207322.

It is an arithmetic number, because the mean of its divisors is an integer number (19865709).

Almost surely, 2^97121222 is an apocalyptic number.

97121222 is a deficient number, since it is larger than the sum of its proper divisors (61804450).

97121222 is a wasteful number, since it uses less digits than its factorization.

97121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414614.

The product of its digits is 1008, while the sum is 26.

The square root of 97121222 is about 9855.0099949214. The cubic root of 97121222 is about 459.6614112041.

The spelling of 97121222 in words is "ninety-seven million, one hundred twenty-one thousand, two hundred twenty-two".