1252222 has 8 divisors (see below), whose sum is σ = 1924272. Its totient is φ = 610800.

The previous prime is 1252219. The next prime is 1252247. The reversal of 1252222 is 2222521.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1252196 and 1252205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7554 + ... + 7717.

It is an arithmetic number, because the mean of its divisors is an integer number (240534).

2^1252222 is an apocalyptic number.

1252222 is a deficient number, since it is larger than the sum of its proper divisors (672050).

1252222 is a wasteful number, since it uses less digits than its factorization.

1252222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15314.

The product of its digits is 160, while the sum is 16.

The square root of 1252222 is about 1119.0272561471. The cubic root of 1252222 is about 107.7855254367.

Adding to 1252222 its reverse (2222521), we get a palindrome (3474743).

Subtracting 1252222 from its reverse (2222521), we obtain a cube (970299 = 99³).

It can be divided in two parts, 12522 and 22, that added together give a square (12544 = 112²).

The spelling of 1252222 in words is "one million, two hundred fifty-two thousand, two hundred twenty-two".