22280630 has 32 divisors (see below), whose sum is σ = 42432768. Its totient is φ = 8409600.

The previous prime is 22280627. The next prime is 22280641. The reversal of 22280630 is 3608222.

It is a junction number, because it is equal to n+sod(n) for n = 22280596 and 22280605.

It is a congruent number.

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, 11834 + ... + 13586.

It is an arithmetic number, because the mean of its divisors is an integer number (1326024).

Almost surely, 2^22280630 is an apocalyptic number.

22280630 is a deficient number, since it is larger than the sum of its proper divisors (20152138).

22280630 is a wasteful number, since it uses less digits than its factorization.

22280630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22280630 is about 4720.2362229024. The cubic root of 22280630 is about 281.3903214194.

Adding to 22280630 its reverse (3608222), we get a palindrome (25888852).

The spelling of 22280630 in words is "twenty-two million, two hundred eighty thousand, six hundred thirty".