22280814 has 12 divisors (see below), whose sum is σ = 48275136. Its totient is φ = 7426932.

The previous prime is 22280801. The next prime is 22280833. The reversal of 22280814 is 41808222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618894 + ... + 618929.

It is an arithmetic number, because the mean of its divisors is an integer number (4022928).

Almost surely, 2^22280814 is an apocalyptic number.

22280814 is an abundant number, since it is smaller than the sum of its proper divisors (25994322).

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

22280814 is a wasteful number, since it uses less digits than its factorization.

22280814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237831 (or 1237828 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 22280814 is about 4720.2557134121. The cubic root of 22280814 is about 281.3910960187.

The spelling of 22280814 in words is "twenty-two million, two hundred eighty thousand, eight hundred fourteen".