97628222 has 4 divisors (see below), whose sum is σ = 146442336. Its totient is φ = 48814110.

The previous prime is 97628221. The next prime is 97628231. The reversal of 97628222 is 22282679.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97628221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24407054 + ... + 24407057.

It is an arithmetic number, because the mean of its divisors is an integer number (36610584).

Almost surely, 2^97628222 is an apocalyptic number.

97628222 is a deficient number, since it is larger than the sum of its proper divisors (48814114).

97628222 is a wasteful number, since it uses less digits than its factorization.

97628222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48814113.

The product of its digits is 48384, while the sum is 38.

The square root of 97628222 is about 9880.6994691672. The cubic root of 97628222 is about 460.4598772064.

The spelling of 97628222 in words is "ninety-seven million, six hundred twenty-eight thousand, two hundred twenty-two".