1098450220 has 48 divisors (see below), whose sum is σ = 2668071168. Its totient is φ = 372070080.

The previous prime is 1098450203. The next prime is 1098450233. The reversal of 1098450220 is 220548901.

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, 35646 + ... + 58885.

It is an arithmetic number, because the mean of its divisors is an integer number (55584816).

Almost surely, 2^1098450220 is an apocalyptic number.

1098450220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1098450220 is an abundant number, since it is smaller than the sum of its proper divisors (1569620948).

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

1098450220 is a wasteful number, since it uses less digits than its factorization.

1098450220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94630 (or 94628 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1098450220 is about 33142.8758559060. The cubic root of 1098450220 is about 1031.7950975825.

The spelling of 1098450220 in words is "one billion, ninety-eight million, four hundred fifty thousand, two hundred twenty".