1442522 has 4 divisors (see below), whose sum is σ = 2163786. Its totient is φ = 721260.

The previous prime is 1442513. The next prime is 1442527. The reversal of 1442522 is 2252441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1442401 + 121 = 1201^2 + 11^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1442494 and 1442503.

It is not an unprimeable number, because it can be changed into a prime (1442527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360629 + ... + 360632.

2^1442522 is an apocalyptic number.

1442522 is a deficient number, since it is larger than the sum of its proper divisors (721264).

1442522 is an equidigital number, since it uses as much as digits as its factorization.

1442522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721263.

The product of its digits is 640, while the sum is 20.

The square root of 1442522 is about 1201.0503736313. The cubic root of 1442522 is about 112.9902098183.

Adding to 1442522 its reverse (2252441), we get a palindrome (3694963).

The spelling of 1442522 in words is "one million, four hundred forty-two thousand, five hundred twenty-two".