22772822 has 8 divisors (see below), whose sum is σ = 34228656. Its totient is φ = 11363272.

The previous prime is 22772821. The next prime is 22772833. The reversal of 22772822 is 22827722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22772821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10313 + ... + 12324.

It is an arithmetic number, because the mean of its divisors is an integer number (4278582).

Almost surely, 2^22772822 is an apocalyptic number.

22772822 is a deficient number, since it is larger than the sum of its proper divisors (11455834).

22772822 is a wasteful number, since it uses less digits than its factorization.

22772822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23142.

The product of its digits is 12544, while the sum is 32.

The square root of 22772822 is about 4772.0878030481. The cubic root of 22772822 is about 283.4472735125.

The spelling of 22772822 in words is "twenty-two million, seven hundred seventy-two thousand, eight hundred twenty-two".