22772842 has 8 divisors (see below), whose sum is σ = 34336836. Its totient is φ = 11327232.

The previous prime is 22772837. The next prime is 22772857. The reversal of 22772842 is 24827722.

It can be written as a sum of positive squares in 2 ways, for example, as 22458121 + 314721 = 4739^2 + 561^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22772798 and 22772807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29113 + ... + 29884.

Almost surely, 2^22772842 is an apocalyptic number.

22772842 is a deficient number, since it is larger than the sum of its proper divisors (11563994).

22772842 is a wasteful number, since it uses less digits than its factorization.

22772842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59192.

The product of its digits is 25088, while the sum is 34.

The square root of 22772842 is about 4772.0898985665. The cubic root of 22772842 is about 283.4473564907.

The spelling of 22772842 in words is "twenty-two million, seven hundred seventy-two thousand, eight hundred forty-two".