42522265 has 8 divisors (see below), whose sum is σ = 52786440. Its totient is φ = 32844672.

The previous prime is 42522229. The next prime is 42522283. The reversal of 42522265 is 56222524.

It can be written as a sum of positive squares in 4 ways, for example, as 16908544 + 25613721 = 4112^2 + 5061^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42522265 - 2¹¹ = 42520217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146484 + ... + 146773.

It is an arithmetic number, because the mean of its divisors is an integer number (6598305).

Almost surely, 2^42522265 is an apocalyptic number.

It is an amenable number.

42522265 is a deficient number, since it is larger than the sum of its proper divisors (10264175).

42522265 is a wasteful number, since it uses less digits than its factorization.

42522265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293291.

The product of its digits is 9600, while the sum is 28.

The square root of 42522265 is about 6520.9098291573. The cubic root of 42522265 is about 349.0375326011.

Adding to 42522265 its reverse (56222524), we get a palindrome (98744789).

The spelling of 42522265 in words is "forty-two million, five hundred twenty-two thousand, two hundred sixty-five".