22756745 has 8 divisors (see below), whose sum is σ = 29790720. Its totient is φ = 16550320.

The previous prime is 22756733. The next prime is 22756771. The reversal of 22756745 is 54765722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22756745 - 2¹⁰ = 22755721 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22756699 and 22756708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206825 + ... + 206934.

It is an arithmetic number, because the mean of its divisors is an integer number (3723840).

Almost surely, 2^22756745 is an apocalyptic number.

It is an amenable number.

22756745 is a deficient number, since it is larger than the sum of its proper divisors (7033975).

22756745 is a wasteful number, since it uses less digits than its factorization.

22756745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413775.

The product of its digits is 117600, while the sum is 38.

The square root of 22756745 is about 4770.4030228064. The cubic root of 22756745 is about 283.3805557585.

The spelling of 22756745 in words is "twenty-two million, seven hundred fifty-six thousand, seven hundred forty-five".