7540022 has 24 divisors (see below), whose sum is σ = 13444704. Its totient is φ = 3160752.

The previous prime is 7540019. The next prime is 7540051. The reversal of 7540022 is 2200457.

It is a junction number, because it is equal to n+sod(n) for n = 7539976 and 7540003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3788 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (560196).

Almost surely, 2^7540022 is an apocalyptic number.

7540022 is a deficient number, since it is larger than the sum of its proper divisors (5904682).

7540022 is a wasteful number, since it uses less digits than its factorization.

7540022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 7540022 is about 2745.9100495100. The cubic root of 7540022 is about 196.0909441898.

Adding to 7540022 its reverse (2200457), we get a palindrome (9740479).

The spelling of 7540022 in words is "seven million, five hundred forty thousand, twenty-two".