22784098 has 4 divisors (see below), whose sum is σ = 34176150. Its totient is φ = 11392048.

The previous prime is 22784093. The next prime is 22784137. The reversal of 22784098 is 89048722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22344529 + 439569 = 4727^2 + 663^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22784098.

It is not an unprimeable number, because it can be changed into a prime (22784093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5696023 + ... + 5696026.

Almost surely, 2^22784098 is an apocalyptic number.

22784098 is a deficient number, since it is larger than the sum of its proper divisors (11392052).

22784098 is a wasteful number, since it uses less digits than its factorization.

22784098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11392051.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 22784098 is about 4773.2691103687. The cubic root of 22784098 is about 283.4940489198.

The spelling of 22784098 in words is "twenty-two million, seven hundred eighty-four thousand, ninety-eight".