97225830 has 96 divisors (see below), whose sum is σ = 284147136. Its totient is φ = 22885632.

The previous prime is 97225813. The next prime is 97225841. The reversal of 97225830 is 3852279.

It is a happy number.

97225830 is a `hidden beast` number, since 9 + 72 + 2 + 583 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25104 + ... + 28716.

It is an arithmetic number, because the mean of its divisors is an integer number (2959866).

Almost surely, 2^97225830 is an apocalyptic number.

97225830 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 97225830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142073568).

97225830 is an abundant number, since it is smaller than the sum of its proper divisors (186921306).

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

97225830 is a wasteful number, since it uses less digits than its factorization.

97225830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662 (or 3659 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 97225830 is about 9860.3159178598. The cubic root of 97225830 is about 459.8263837562.

The spelling of 97225830 in words is "ninety-seven million, two hundred twenty-five thousand, eight hundred thirty".