1098262238 has 4 divisors (see below), whose sum is σ = 1647393360. Its totient is φ = 549131118.

The previous prime is 1098262229. The next prime is 1098262241. The reversal of 1098262238 is 8322628901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8322628901 = 30757 ⋅270593.

It is a junction number, because it is equal to n+sod(n) for n = 1098262195 and 1098262204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274565558 + ... + 274565561.

It is an arithmetic number, because the mean of its divisors is an integer number (411848340).

Almost surely, 2^1098262238 is an apocalyptic number.

1098262238 is a deficient number, since it is larger than the sum of its proper divisors (549131122).

1098262238 is an equidigital number, since it uses as much as digits as its factorization.

1098262238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549131121.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1098262238 is about 33140.0398008210. The cubic root of 1098262238 is about 1031.7362358735.

The spelling of 1098262238 in words is "one billion, ninety-eight million, two hundred sixty-two thousand, two hundred thirty-eight".