22706765 has 8 divisors (see below), whose sum is σ = 27378528. Its totient is φ = 18078480.

The previous prime is 22706759. The next prime is 22706807. The reversal of 22706765 is 56760722.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-22706765 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 9707 + ... + 11816.

It is an arithmetic number, because the mean of its divisors is an integer number (3422316).

Almost surely, 2^22706765 is an apocalyptic number.

It is an amenable number.

22706765 is a deficient number, since it is larger than the sum of its proper divisors (4671763).

22706765 is a wasteful number, since it uses less digits than its factorization.

22706765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21739.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 22706765 is about 4765.1615922233. The cubic root of 22706765 is about 283.1729434409.

The spelling of 22706765 in words is "twenty-two million, seven hundred six thousand, seven hundred sixty-five".