22273785 has 40 divisors (see below), whose sum is σ = 40888320. Its totient is φ = 11594016.

The previous prime is 22273781. The next prime is 22273789. The reversal of 22273785 is 58737222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22273781) and next prime (22273789).

It is not a de Polignac number, because 22273785 - 2² = 22273781 is a prime.

It is a super-2 number, since 2×22273785² = 992242996452450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22273781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16776 + ... + 18054.

It is an arithmetic number, because the mean of its divisors is an integer number (1022208).

Almost surely, 2^22273785 is an apocalyptic number.

It is an amenable number.

22273785 is a deficient number, since it is larger than the sum of its proper divisors (18614535).

22273785 is a wasteful number, since it uses less digits than its factorization.

22273785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1330 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 22273785 is about 4719.5110975608. The cubic root of 22273785 is about 281.3615024553.

The spelling of 22273785 in words is "twenty-two million, two hundred seventy-three thousand, seven hundred eighty-five".