97077222 has 48 divisors (see below), whose sum is σ = 230564880. Its totient is φ = 29275200.

The previous prime is 97077221. The next prime is 97077247. The reversal of 97077222 is 22277079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97077221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44272 + ... + 46412.

It is an arithmetic number, because the mean of its divisors is an integer number (4803435).

Almost surely, 2^97077222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97077222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115282440).

97077222 is an abundant number, since it is smaller than the sum of its proper divisors (133487658).

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

97077222 is a wasteful number, since it uses less digits than its factorization.

97077222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 97077222 is about 9852.7773749334. Note that the first 3 decimals coincide. The cubic root of 97077222 is about 459.5919853988.

The spelling of 97077222 in words is "ninety-seven million, seventy-seven thousand, two hundred twenty-two".