7282442 has 4 divisors (see below), whose sum is σ = 10923666. Its totient is φ = 3641220.

The previous prime is 7282423. The next prime is 7282459. The reversal of 7282442 is 2442827.

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., 4661281 + 2621161 = 2159^2 + 1619^2 .

It is a super-2 number, since 2×7282442² = 106067922966728, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1820609 + ... + 1820612.

Almost surely, 2^7282442 is an apocalyptic number.

7282442 is a deficient number, since it is larger than the sum of its proper divisors (3641224).

7282442 is a wasteful number, since it uses less digits than its factorization.

7282442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641223.

The product of its digits is 7168, while the sum is 29.

The square root of 7282442 is about 2698.6000074113. The cubic root of 7282442 is about 193.8320898070.

The spelling of 7282442 in words is "seven million, two hundred eighty-two thousand, four hundred forty-two".