22738345 has 32 divisors (see below), whose sum is σ = 33914880. Its totient is φ = 14281920.

The previous prime is 22738321. The next prime is 22738351. The reversal of 22738345 is 54383722.

It is not a de Polignac number, because 22738345 - 2¹⁹ = 22214057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22738345.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20064 + ... + 21166.

It is an arithmetic number, because the mean of its divisors is an integer number (1059840).

Almost surely, 2^22738345 is an apocalyptic number.

It is an amenable number.

22738345 is a deficient number, since it is larger than the sum of its proper divisors (11176535).

22738345 is a wasteful number, since it uses less digits than its factorization.

22738345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its digits is 40320, while the sum is 34.

The square root of 22738345 is about 4768.4740745861. The cubic root of 22738345 is about 283.3041592414.

The spelling of 22738345 in words is "twenty-two million, seven hundred thirty-eight thousand, three hundred forty-five".