1222152 has 16 divisors (see below), whose sum is σ = 3055440. Its totient is φ = 407376.

The previous prime is 1222129. The next prime is 1222157. The reversal of 1222152 is 2512221.

It is a super-2 number, since 2×1222152² = 2987311022208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25438 + ... + 25485.

It is an arithmetic number, because the mean of its divisors is an integer number (190965).

2^1222152 is an apocalyptic number.

1222152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222152 is an abundant number, since it is smaller than the sum of its proper divisors (1833288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222152 is a wasteful number, since it uses less digits than its factorization.

1222152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50932 (or 50928 counting only the distinct ones).

The product of its digits is 80, while the sum is 15.

The square root of 1222152 is about 1105.5098371340. The cubic root of 1222152 is about 106.9157633226.

Adding to 1222152 its reverse (2512221), we get a palindrome (3734373).

The spelling of 1222152 in words is "one million, two hundred twenty-two thousand, one hundred fifty-two".