22240822 has 4 divisors (see below), whose sum is σ = 33361236. Its totient is φ = 11120410.

The previous prime is 22240807. The next prime is 22240831. The reversal of 22240822 is 22804222.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22240793 and 22240802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560204 + ... + 5560207.

It is an arithmetic number, because the mean of its divisors is an integer number (8340309).

Almost surely, 2^22240822 is an apocalyptic number.

22240822 is a deficient number, since it is larger than the sum of its proper divisors (11120414).

22240822 is a wasteful number, since it uses less digits than its factorization.

22240822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120413.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 22240822 is about 4716.0175996279. The cubic root of 22240822 is about 281.2226381941. Note that the first 3 decimals are identical.

The spelling of 22240822 in words is "twenty-two million, two hundred forty thousand, eight hundred twenty-two".