22232155 has 8 divisors (see below), whose sum is σ = 29103984. Its totient is φ = 16168800.

The previous prime is 22232143. The next prime is 22232167. The reversal of 22232155 is 55123222.

It is an interprime number because it is at equal distance from previous prime (22232143) and next prime (22232167).

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

It is not a de Polignac number, because 22232155 - 2¹⁷ = 22101083 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, 202056 + ... + 202165.

It is an arithmetic number, because the mean of its divisors is an integer number (3637998).

Almost surely, 2^22232155 is an apocalyptic number.

22232155 is a deficient number, since it is larger than the sum of its proper divisors (6871829).

22232155 is a wasteful number, since it uses less digits than its factorization.

22232155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404237.

The product of its digits is 1200, while the sum is 22.

The square root of 22232155 is about 4715.0986203896. The cubic root of 22232155 is about 281.1861036740.

Adding to 22232155 its reverse (55123222), we get a palindrome (77355377).

The spelling of 22232155 in words is "twenty-two million, two hundred thirty-two thousand, one hundred fifty-five".