4542522 has 16 divisors (see below), whose sum is σ = 9110880. Its totient is φ = 1509872.

The previous prime is 4542521. The next prime is 4542529. The reversal of 4542522 is 2252454.

It is a happy number.

It is a super-2 number, since 2×4542522² = 41269012240968, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁵ + 5 + 4⁷ + 2¹⁶ + 5⁵ + 2¹⁸ + 2²² .

It is a junction number, because it is equal to n+sod(n) for n = 4542492 and 4542501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542521) 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, 1804 + ... + 3512.

It is an arithmetic number, because the mean of its divisors is an integer number (569430).

Almost surely, 2^4542522 is an apocalyptic number.

4542522 is an abundant number, since it is smaller than the sum of its proper divisors (4568358).

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

4542522 is a wasteful number, since it uses less digits than its factorization.

4542522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157.

The product of its digits is 3200, while the sum is 24.

The square root of 4542522 is about 2131.3193097234. The cubic root of 4542522 is about 165.6147499056.

Adding to 4542522 its reverse (2252454), we get a palindrome (6794976).

The spelling of 4542522 in words is "four million, five hundred forty-two thousand, five hundred twenty-two".