1155002222 has 16 divisors (see below), whose sum is σ = 1891475712. Its totient is φ = 524592120.

The previous prime is 1155002207. The next prime is 1155002237. The reversal of 1155002222 is 2222005511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1155002207) and next prime (1155002237).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1155002194 and 1155002203.

It is a congruent 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, 9413 + ... + 48975.

It is an arithmetic number, because the mean of its divisors is an integer number (118217232).

Almost surely, 2^1155002222 is an apocalyptic number.

1155002222 is a deficient number, since it is larger than the sum of its proper divisors (736473490).

1155002222 is a wasteful number, since it uses less digits than its factorization.

1155002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40903.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1155002222 is about 33985.3236265303. The cubic root of 1155002222 is about 1049.2064213858.

Adding to 1155002222 its reverse (2222005511), we get a palindrome (3377007733).

The spelling of 1155002222 in words is "one billion, one hundred fifty-five million, two thousand, two hundred twenty-two".