7442238 has 16 divisors (see below), whose sum is σ = 15248016. Its totient is φ = 2420160.

The previous prime is 7442233. The next prime is 7442249. The reversal of 7442238 is 8322447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14881 + ... + 15372.

It is an arithmetic number, because the mean of its divisors is an integer number (953001).

Almost surely, 2^7442238 is an apocalyptic number.

7442238 is an abundant number, since it is smaller than the sum of its proper divisors (7805778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7442238 is a wasteful number, since it uses less digits than its factorization.

7442238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30299.

The product of its digits is 10752, while the sum is 30.

The square root of 7442238 is about 2728.0465538550. The cubic root of 7442238 is about 195.2395740500.

The spelling of 7442238 in words is "seven million, four hundred forty-two thousand, two hundred thirty-eight".