42525022 has 16 divisors (see below), whose sum is σ = 68112000. Its totient is φ = 19864152.

The previous prime is 42525013. The next prime is 42525023. The reversal of 42525022 is 22052524.

It is a happy number.

It is a super-2 number, since 2×42525022² = 3616754992200968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42524984 and 42525002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42525023) 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, 8772 + ... + 12727.

It is an arithmetic number, because the mean of its divisors is an integer number (4257000).

Almost surely, 2^42525022 is an apocalyptic number.

42525022 is a deficient number, since it is larger than the sum of its proper divisors (25586978).

42525022 is a wasteful number, since it uses less digits than its factorization.

42525022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21567.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 42525022 is about 6521.1212226120. The cubic root of 42525022 is about 349.0450759095.

Adding to 42525022 its reverse (22052524), we get a palindrome (64577546).

The spelling of 42525022 in words is "forty-two million, five hundred twenty-five thousand, twenty-two".