1097223450 has 24 divisors (see below), whose sum is σ = 2721114528. Its totient is φ = 292592880.

The previous prime is 1097223443. The next prime is 1097223451. The reversal of 1097223450 is 543227901.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1097223451) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3657262 + ... + 3657561.

It is an arithmetic number, because the mean of its divisors is an integer number (113379772).

Almost surely, 2^1097223450 is an apocalyptic number.

1097223450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1097223450 is an abundant number, since it is smaller than the sum of its proper divisors (1623891078).

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

1097223450 is a wasteful number, since it uses less digits than its factorization.

1097223450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314838 (or 7314833 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1097223450 is about 33124.3633901091. The cubic root of 1097223450 is about 1031.4108450676.

The spelling of 1097223450 in words is "one billion, ninety-seven million, two hundred twenty-three thousand, four hundred fifty".