42025722 has 16 divisors (see below), whose sum is σ = 85065120. Its totient is φ = 13839632.

The previous prime is 42025703. The next prime is 42025723. The reversal of 42025722 is 22752024.

It is a super-2 number, since 2×42025722² = 3532322619242568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42025692 and 42025701.

It is not an unprimeable number, because it can be changed into a prime (42025723) 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 7 ways as a sum of consecutive naturals, for example, 41697 + ... + 42692.

It is an arithmetic number, because the mean of its divisors is an integer number (5316570).

Almost surely, 2^42025722 is an apocalyptic number.

42025722 is an abundant number, since it is smaller than the sum of its proper divisors (43039398).

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

42025722 is a wasteful number, since it uses less digits than its factorization.

42025722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84477.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 42025722 is about 6482.7248900443. The cubic root of 42025722 is about 347.6736106086.

Adding to 42025722 its reverse (22752024), we get a palindrome (64777746).

The spelling of 42025722 in words is "forty-two million, twenty-five thousand, seven hundred twenty-two".