97422920 has 128 divisors (see below), whose sum is σ = 269256960. Its totient is φ = 30965760.

The previous prime is 97422911. The next prime is 97422931. The reversal of 97422920 is 2922479.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461615 + ... + 461825.

It is an arithmetic number, because the mean of its divisors is an integer number (2103570).

Almost surely, 2^97422920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97422920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134628480).

97422920 is an abundant number, since it is smaller than the sum of its proper divisors (171834040).

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

97422920 is a wasteful number, since it uses less digits than its factorization.

97422920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 97422920 is about 9870.3049598277. The cubic root of 97422920 is about 460.1368842784.

The spelling of 97422920 in words is "ninety-seven million, four hundred twenty-two thousand, nine hundred twenty".