22273783 has 12 divisors (see below), whose sum is σ = 26544672. Its totient is φ = 18624480.

The previous prime is 22273781. The next prime is 22273789. The reversal of 22273783 is 38737222.

It is a happy number.

It is not a de Polignac number, because 22273783 - 2¹ = 22273781 is a prime.

It is a super-2 number, since 2×22273783² = 992242818262178, which contains 22 as substring.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3535 + ... + 7552.

It is an arithmetic number, because the mean of its divisors is an integer number (2212056).

Almost surely, 2^22273783 is an apocalyptic number.

22273783 is a deficient number, since it is larger than the sum of its proper divisors (4270889).

22273783 is a wasteful number, since it uses less digits than its factorization.

22273783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142 (or 11135 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 22273783 is about 4719.5108856745. The cubic root of 22273783 is about 281.3614940340.

The spelling of 22273783 in words is "twenty-two million, two hundred seventy-three thousand, seven hundred eighty-three".