1522749998 has 32 divisors (see below), whose sum is σ = 2896024320. Its totient is φ = 583220160.

The previous prime is 1522749971. The next prime is 1522750001. The reversal of 1522749998 is 8999472251.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74711 + ... + 92882.

It is an arithmetic number, because the mean of its divisors is an integer number (90500760).

Almost surely, 2^1522749998 is an apocalyptic number.

1522749998 is a deficient number, since it is larger than the sum of its proper divisors (1373274322).

1522749998 is a wasteful number, since it uses less digits than its factorization.

1522749998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167672.

The product of its digits is 3265920, while the sum is 56.

The square root of 1522749998 is about 39022.4294220644. The cubic root of 1522749998 is about 1150.4723952116.

The spelling of 1522749998 in words is "one billion, five hundred twenty-two million, seven hundred forty-nine thousand, nine hundred ninety-eight".