7444442 has 4 divisors (see below), whose sum is σ = 11166666. Its totient is φ = 3722220.

The previous prime is 7444441. The next prime is 7444457. The reversal of 7444442 is 2444447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2444447 = 17 ⋅143791.

It can be written as a sum of positive squares in only one way, i.e., 5958481 + 1485961 = 2441^2 + 1219^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (7444441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861109 + ... + 1861112.

Almost surely, 2^7444442 is an apocalyptic number.

7444442 is a deficient number, since it is larger than the sum of its proper divisors (3722224).

7444442 is a wasteful number, since it uses less digits than its factorization.

7444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722223.

The product of its digits is 14336, while the sum is 29.

The square root of 7444442 is about 2728.4504760028. The cubic root of 7444442 is about 195.2588453834.

Adding to 7444442 its reverse (2444447), we get a palindrome (9888889).

The spelling of 7444442 in words is "seven million, four hundred forty-four thousand, four hundred forty-two".