42202772 has 24 divisors (see below), whose sum is σ = 80899560. Its totient is φ = 19174400.

The previous prime is 42202751. The next prime is 42202793. The reversal of 42202772 is 27720224.

It is a happy number.

42202772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42202751) and next prime (42202793).

It can be written as a sum of positive squares in 4 ways, for example, as 6370576 + 35832196 = 2524^2 + 5986^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8729 + ... + 12672.

It is an arithmetic number, because the mean of its divisors is an integer number (3370815).

Almost surely, 2^42202772 is an apocalyptic number.

It is an amenable number.

42202772 is a deficient number, since it is larger than the sum of its proper divisors (38696788).

42202772 is a wasteful number, since it uses less digits than its factorization.

42202772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21451 (or 21449 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 42202772 is about 6496.3660611145. The cubic root of 42202772 is about 348.1611641759.

Adding to 42202772 its reverse (27720224), we get a palindrome (69922996).

The spelling of 42202772 in words is "forty-two million, two hundred two thousand, seven hundred seventy-two".