22348388 has 6 divisors (see below), whose sum is σ = 39109686. Its totient is φ = 11174192.

The previous prime is 22348373. The next prime is 22348409. The reversal of 22348388 is 88384322.

It can be written as a sum of positive squares in only one way, i.e., 18992164 + 3356224 = 4358^2 + 1832^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2793545 + ... + 2793552.

It is an arithmetic number, because the mean of its divisors is an integer number (6518281).

Almost surely, 2^22348388 is an apocalyptic number.

It is an amenable number.

22348388 is a deficient number, since it is larger than the sum of its proper divisors (16761298).

22348388 is a wasteful number, since it uses less digits than its factorization.

22348388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587101 (or 5587099 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 22348388 is about 4727.4081693884. The cubic root of 22348388 is about 281.6752797027.

The spelling of 22348388 in words is "twenty-two million, three hundred forty-eight thousand, three hundred eighty-eight".