42214401 has 12 divisors (see below), whose sum is σ = 63079380. Its totient is φ = 27172320.

The previous prime is 42214397. The next prime is 42214411. The reversal of 42214401 is 10441224.

42214401 is a `hidden beast` number, since 4 + 221 + 440 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15681600 + 26532801 = 3960^2 + 5151^2 .

It is not a de Polignac number, because 42214401 - 2² = 42214397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42214411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80610 + ... + 81131.

It is an arithmetic number, because the mean of its divisors is an integer number (5256615).

Almost surely, 2^42214401 is an apocalyptic number.

It is an amenable number.

42214401 is a deficient number, since it is larger than the sum of its proper divisors (20864979).

42214401 is a wasteful number, since it uses less digits than its factorization.

42214401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161776 (or 161773 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 42214401 is about 6497.2610383145. The cubic root of 42214401 is about 348.1931399140.

Adding to 42214401 its reverse (10441224), we get a palindrome (52655625).

The spelling of 42214401 in words is "forty-two million, two hundred fourteen thousand, four hundred one".