100280244 has 24 divisors (see below), whose sum is σ = 234505600. Its totient is φ = 33352704.

The previous prime is 100280239. The next prime is 100280261. The reversal of 100280244 is 442082001.

It is a super-2 number, since 2×100280244² = 20112254673399072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100280244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3469 + ... + 14580.

Almost surely, 2^100280244 is an apocalyptic number.

It is an amenable number.

100280244 is an abundant number, since it is smaller than the sum of its proper divisors (134225356).

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

100280244 is a wasteful number, since it uses less digits than its factorization.

100280244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18519 (or 18517 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 100280244 is about 10014.0023966444. The cubic root of 100280244 is about 464.5920714254.

The spelling of 100280244 in words is "one hundred million, two hundred eighty thousand, two hundred forty-four".