1097985522 has 8 divisors (see below), whose sum is σ = 2195971056. Its totient is φ = 365995172.

The previous prime is 1097985491. The next prime is 1097985599. The reversal of 1097985522 is 2255897901.

It is a sphenic number, since it is the product of 3 distinct primes.

1097985522 is an admirable number.

It is a super-2 number, since 2×1097985522² = 2411144413043224968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91498788 + ... + 91498799.

It is an arithmetic number, because the mean of its divisors is an integer number (274496382).

Almost surely, 2^1097985522 is an apocalyptic number.

1097985522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1097985522 is a wasteful number, since it uses less digits than its factorization.

1097985522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182997592.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 1097985522 is about 33135.8645880864. The cubic root of 1097985522 is about 1031.6495771820.

The spelling of 1097985522 in words is "one billion, ninety-seven million, nine hundred eighty-five thousand, five hundred twenty-two".