1098023522 has 6 divisors (see below), whose sum is σ = 1647105579. Its totient is φ = 548988330.

The previous prime is 1098023477. The next prime is 1098023543. The reversal of 1098023522 is 2253208901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 549011761 + 549011761 = 23431^2 + 23431^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23431.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35147 + ... + 58577.

Almost surely, 2^1098023522 is an apocalyptic number.

1098023522 is a deficient number, since it is larger than the sum of its proper divisors (549082057).

1098023522 is an frugal number, since it uses more digits than its factorization.

1098023522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46864 (or 23433 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1098023522 is about 33136.4379799640. The cubic root of 1098023522 is about 1031.6614784415.

Multiplying 1098023522 by its sum of digits (32), we get a square (35136752704 = 187448²).

The spelling of 1098023522 in words is "one billion, ninety-eight million, twenty-three thousand, five hundred twenty-two".