97222000 has 40 divisors (see below), whose sum is σ = 235087632. Its totient is φ = 38888000.

The previous prime is 97221973. The next prime is 97222001. The reversal of 97222000 is 22279.

It is a tau number, because it is divible by the number of its divisors (40).

It is a nialpdrome in base 10 and base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97222001) 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, 22306 + ... + 26305.

Almost surely, 2^97222000 is an apocalyptic number.

It is an amenable number.

97222000 is an abundant number, since it is smaller than the sum of its proper divisors (137865632).

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

97222000 is a wasteful number, since it uses less digits than its factorization.

97222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48634 (or 48618 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 97222000 is about 9860.1217031029. The cubic root of 97222000 is about 459.8203457237.

Adding to 97222000 its reverse (22279), we get a palindrome (97244279).

The spelling of 97222000 in words is "ninety-seven million, two hundred twenty-two thousand".