1451222 has 8 divisors (see below), whose sum is σ = 2304936. Its totient is φ = 682912.

The previous prime is 1451213. The next prime is 1451237. The reversal of 1451222 is 2221541.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1451222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21308 + ... + 21375.

It is an arithmetic number, because the mean of its divisors is an integer number (288117).

2^1451222 is an apocalyptic number.

1451222 is a deficient number, since it is larger than the sum of its proper divisors (853714).

1451222 is a wasteful number, since it uses less digits than its factorization.

1451222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42702.

The product of its digits is 160, while the sum is 17.

The square root of 1451222 is about 1204.6667589006. Note that the first 3 decimals coincide. The cubic root of 1451222 is about 113.2169065801.

Adding to 1451222 its reverse (2221541), we get a palindrome (3672763).

The spelling of 1451222 in words is "one million, four hundred fifty-one thousand, two hundred twenty-two".