22232555 has 8 divisors (see below), whose sum is σ = 26722752. Its totient is φ = 17756928.

The previous prime is 22232533. The next prime is 22232563. The reversal of 22232555 is 55523222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22232555 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 6668.

It is an arithmetic number, because the mean of its divisors is an integer number (3340344).

Almost surely, 2^22232555 is an apocalyptic number.

22232555 is a deficient number, since it is larger than the sum of its proper divisors (4490197).

22232555 is an equidigital number, since it uses as much as digits as its factorization.

22232555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7285.

The product of its digits is 6000, while the sum is 26.

The square root of 22232555 is about 4715.1410371271. The cubic root of 22232555 is about 281.1877900267.

Adding to 22232555 its reverse (55523222), we get a palindrome (77755777).

It can be divided in two parts, 2223 and 2555, that multiplied together give a palindrome (5679765).

The spelling of 22232555 in words is "twenty-two million, two hundred thirty-two thousand, five hundred fifty-five".