22270785 has 16 divisors (see below), whose sum is σ = 37183104. Its totient is φ = 11361152.

The previous prime is 22270769. The next prime is 22270813. The reversal of 22270785 is 58707222.

It is a cyclic number.

It is not a de Polignac number, because 22270785 - 2⁴ = 22270769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31932 + ... + 32621.

It is an arithmetic number, because the mean of its divisors is an integer number (2323944).

Almost surely, 2^22270785 is an apocalyptic number.

It is an amenable number.

22270785 is a deficient number, since it is larger than the sum of its proper divisors (14912319).

22270785 is a wasteful number, since it uses less digits than its factorization.

22270785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64584.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 22270785 is about 4719.1932573269. The cubic root of 22270785 is about 281.3488699308.

The spelling of 22270785 in words is "twenty-two million, two hundred seventy thousand, seven hundred eighty-five".