22255111 has 4 divisors (see below), whose sum is σ = 22728672. Its totient is φ = 21781552.

The previous prime is 22255109. The next prime is 22255127. The reversal of 22255111 is 11155222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22255111 - 2¹ = 22255109 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236710 + ... + 236803.

It is an arithmetic number, because the mean of its divisors is an integer number (5682168).

Almost surely, 2^22255111 is an apocalyptic number.

22255111 is a deficient number, since it is larger than the sum of its proper divisors (473561).

22255111 is an equidigital number, since it uses as much as digits as its factorization.

22255111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473560.

The product of its digits is 200, while the sum is 19.

The square root of 22255111 is about 4717.5322998364. The cubic root of 22255111 is about 281.2828507472.

It can be divided in two parts, 22255 and 111, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 22255111 in words is "twenty-two million, two hundred fifty-five thousand, one hundred eleven".