22273355 has 24 divisors (see below), whose sum is σ = 29663568. Its totient is φ = 16039296.

The previous prime is 22273351. The next prime is 22273367. The reversal of 22273355 is 55337222.

It is a happy number.

It is not a de Polignac number, because 22273355 - 2² = 22273351 is a prime.

It is a super-2 number, since 2×22273355² = 992204685912050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22273351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36029 + ... + 36641.

It is an arithmetic number, because the mean of its divisors is an integer number (1235982).

Almost surely, 2^22273355 is an apocalyptic number.

22273355 is a deficient number, since it is larger than the sum of its proper divisors (7390213).

22273355 is a wasteful number, since it uses less digits than its factorization.

22273355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 674 counting only the distinct ones).

The product of its digits is 12600, while the sum is 29.

The square root of 22273355 is about 4719.4655417748. The cubic root of 22273355 is about 281.3596918631.

The spelling of 22273355 in words is "twenty-two million, two hundred seventy-three thousand, three hundred fifty-five".