42225361 has 8 divisors (see below), whose sum is σ = 42999264. Its totient is φ = 41458560.

The previous prime is 42225349. The next prime is 42225371. The reversal of 42225361 is 16352224.

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 42225361 - 2⁵ = 42225329 is a prime.

It is a super-2 number, since 2×42225361² = 3565962223160642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42225311) 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, 11046 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (5374908).

Almost surely, 2^42225361 is an apocalyptic number.

It is an amenable number.

42225361 is a deficient number, since it is larger than the sum of its proper divisors (773903).

42225361 is a wasteful number, since it uses less digits than its factorization.

42225361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551.

The product of its digits is 2880, while the sum is 25.

The square root of 42225361 is about 6498.1044159047. The cubic root of 42225361 is about 348.2232707580.

Adding to 42225361 its reverse (16352224), we get a palindrome (58577585).

The spelling of 42225361 in words is "forty-two million, two hundred twenty-five thousand, three hundred sixty-one".