97222170 has 16 divisors (see below), whose sum is σ = 233333280. Its totient is φ = 25925904.

The previous prime is 97222157. The next prime is 97222189. The reversal of 97222170 is 7122279.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3240739 = 97222170 / (9 + 7 + 2 + 2 + 2 + 1 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1620340 + ... + 1620399.

It is an arithmetic number, because the mean of its divisors is an integer number (14583330).

Almost surely, 2^97222170 is an apocalyptic number.

97222170 is an abundant number, since it is smaller than the sum of its proper divisors (136111110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97222170 is a wasteful number, since it uses less digits than its factorization.

97222170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240749.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 97222170 is about 9860.1303236823. The cubic root of 97222170 is about 459.8206137337.

The spelling of 97222170 in words is "ninety-seven million, two hundred twenty-two thousand, one hundred seventy".