42227025 has 24 divisors (see below), whose sum is σ = 73492320. Its totient is φ = 21335040.

The previous prime is 42227023. The next prime is 42227033. The reversal of 42227025 is 52072224.

It is not a de Polignac number, because 42227025 - 2¹ = 42227023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42226986 and 42227004.

It is not an unprimeable number, because it can be changed into a prime (42227023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13392 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (3062180).

Almost surely, 2^42227025 is an apocalyptic number.

It is an amenable number.

42227025 is a deficient number, since it is larger than the sum of its proper divisors (31265295).

42227025 is a wasteful number, since it uses less digits than its factorization.

42227025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29665 (or 29660 counting only the distinct ones).

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

The square root of 42227025 is about 6498.2324519826. The cubic root of 42227025 is about 348.2278449120.

Adding to 42227025 its reverse (52072224), we get a palindrome (94299249).

The spelling of 42227025 in words is "forty-two million, two hundred twenty-seven thousand, twenty-five".