22345384 has 8 divisors (see below), whose sum is σ = 41897610. Its totient is φ = 11172688.

The previous prime is 22345357. The next prime is 22345403. The reversal of 22345384 is 48354322.

It can be written as a sum of positive squares in only one way, i.e., 14062500 + 8282884 = 3750^2 + 2878^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22345384² = 998632372214912, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1396579 + ... + 1396594.

Almost surely, 2^22345384 is an apocalyptic number.

It is an amenable number.

22345384 is a deficient number, since it is larger than the sum of its proper divisors (19552226).

22345384 is a wasteful number, since it uses less digits than its factorization.

22345384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793179 (or 2793175 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 22345384 is about 4727.0904370448. The cubic root of 22345384 is about 281.6626585022.

The spelling of 22345384 in words is "twenty-two million, three hundred forty-five thousand, three hundred eighty-four".