1457222 has 16 divisors (see below), whose sum is σ = 2413152. Its totient is φ = 655680.

The previous prime is 1457219. The next prime is 1457251. The reversal of 1457222 is 2227541.

It is a happy number.

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, 383 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (150822).

2^1457222 is an apocalyptic number.

1457222 is a deficient number, since it is larger than the sum of its proper divisors (955930).

1457222 is a wasteful number, since it uses less digits than its factorization.

1457222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its digits is 1120, while the sum is 23.

The square root of 1457222 is about 1207.1545054383. The cubic root of 1457222 is about 113.3727217955.

It can be divided in two parts, 14 and 57222, that multiplied together give a palindrome (801108).

The spelling of 1457222 in words is "one million, four hundred fifty-seven thousand, two hundred twenty-two".