7402522 has 8 divisors (see below), whose sum is σ = 11120256. Its totient is φ = 3695772.

The previous prime is 7402519. The next prime is 7402523. The reversal of 7402522 is 2252047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7402493 and 7402502.

It is not an unprimeable number, because it can be changed into a prime (7402523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778 + ... + 3925.

It is an arithmetic number, because the mean of its divisors is an integer number (1390032).

Almost surely, 2^7402522 is an apocalyptic number.

7402522 is a deficient number, since it is larger than the sum of its proper divisors (3717734).

7402522 is a wasteful number, since it uses less digits than its factorization.

7402522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 7402522 is about 2720.7576150771. The cubic root of 7402522 is about 194.8916514023.

Adding to 7402522 its reverse (2252047), we get a palindrome (9654569).

It can be divided in two parts, 74025 and 22, that added together give a palindrome (74047).

The spelling of 7402522 in words is "seven million, four hundred two thousand, five hundred twenty-two".