22722704 has 10 divisors (see below), whose sum is σ = 44025270. Its totient is φ = 11361344.

The previous prime is 22722703. The next prime is 22722709. The reversal of 22722704 is 40722722.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21641104 + 1081600 = 4652^2 + 1040^2 .

It is not an unprimeable number, because it can be changed into a prime (22722701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710069 + ... + 710100.

It is an arithmetic number, because the mean of its divisors is an integer number (4402527).

Almost surely, 2^22722704 is an apocalyptic number.

It is an amenable number.

22722704 is a deficient number, since it is larger than the sum of its proper divisors (21302566).

22722704 is a wasteful number, since it uses less digits than its factorization.

22722704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420177 (or 1420171 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 22722704 is about 4766.8337499854. The cubic root of 22722704 is about 283.2391856361.

The spelling of 22722704 in words is "twenty-two million, seven hundred twenty-two thousand, seven hundred four".