222343155 has 12 divisors (see below), whose sum is σ = 385394880. Its totient is φ = 118582992.

The previous prime is 222343127. The next prime is 222343159. The reversal of 222343155 is 551343222.

It is a happy number.

222343155 is a `hidden beast` number, since 2 + 223 + 431 + 5 + 5 = 666.

It is not a de Polignac number, because 222343155 - 2¹⁹ = 221818867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222343159) 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, 2470435 + ... + 2470524.

It is an arithmetic number, because the mean of its divisors is an integer number (32116240).

Almost surely, 2^222343155 is an apocalyptic number.

222343155 is a deficient number, since it is larger than the sum of its proper divisors (163051725).

222343155 is a wasteful number, since it uses less digits than its factorization.

222343155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940970 (or 4940967 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 222343155 is about 14911.1755069813. The cubic root of 222343155 is about 605.8167190726.

Adding to 222343155 its reverse (551343222), we get a palindrome (773686377).

The spelling of 222343155 in words is "two hundred twenty-two million, three hundred forty-three thousand, one hundred fifty-five".