42402211 has 8 divisors (see below), whose sum is σ = 42882048. Its totient is φ = 41925000.

The previous prime is 42402209. The next prime is 42402229. The reversal of 42402211 is 11220424.

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 42402211 - 2¹ = 42402209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42402251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56086 + ... + 56836.

It is an arithmetic number, because the mean of its divisors is an integer number (5360256).

Almost surely, 2^42402211 is an apocalyptic number.

42402211 is a deficient number, since it is larger than the sum of its proper divisors (479837).

42402211 is a wasteful number, since it uses less digits than its factorization.

42402211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 42402211 is about 6511.6980120396. The cubic root of 42402211 is about 348.7087413240.

Adding to 42402211 its reverse (11220424), we get a palindrome (53622635).

The spelling of 42402211 in words is "forty-two million, four hundred two thousand, two hundred eleven".