22244770 has 32 divisors (see below), whose sum is σ = 41860800. Its totient is φ = 8502336.

The previous prime is 22244767. The next prime is 22244777. The reversal of 22244770 is 7744222.

It is not an unprimeable number, because it can be changed into a prime (22244777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21321 + ... + 22339.

It is an arithmetic number, because the mean of its divisors is an integer number (1308150).

Almost surely, 2^22244770 is an apocalyptic number.

22244770 is a deficient number, since it is larger than the sum of its proper divisors (19616030).

22244770 is a wasteful number, since it uses less digits than its factorization.

22244770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 22244770 is about 4716.4361545557. The cubic root of 22244770 is about 281.2392772867.

Adding to 22244770 its reverse (7744222), we get a palindrome (29988992).

The spelling of 22244770 in words is "twenty-two million, two hundred forty-four thousand, seven hundred seventy".