7422340 has 24 divisors (see below), whose sum is σ = 15809472. Its totient is φ = 2926560.

The previous prime is 7422323. The next prime is 7422341. The reversal of 7422340 is 432247.

It is a super-2 number, since 2×7422340² = 110182262151200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7422341) 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, 1194 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (658728).

Almost surely, 2^7422340 is an apocalyptic number.

It is an amenable number.

7422340 is an abundant number, since it is smaller than the sum of its proper divisors (8387132).

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

7422340 is a wasteful number, since it uses less digits than its factorization.

7422340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307 (or 5305 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 7422340 is about 2724.3971810292. The cubic root of 7422340 is about 195.0654174556.

Adding to 7422340 its reverse (432247), we get a palindrome (7854587).

The spelling of 7422340 in words is "seven million, four hundred twenty-two thousand, three hundred forty".