211414442 has 8 divisors (see below), whose sum is σ = 317212896. Its totient is φ = 105676812.

The previous prime is 211414429. The next prime is 211414457. The reversal of 211414442 is 244414112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5198 + ... + 21209.

It is an arithmetic number, because the mean of its divisors is an integer number (39651612).

Almost surely, 2^211414442 is an apocalyptic number.

211414442 is a deficient number, since it is larger than the sum of its proper divisors (105798454).

211414442 is a wasteful number, since it uses less digits than its factorization.

211414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30412.

The product of its digits is 1024, while the sum is 23.

The square root of 211414442 is about 14540.0977300705. The cubic root of 211414442 is about 595.7237075748.

Adding to 211414442 its reverse (244414112), we get a palindrome (455828554).

The spelling of 211414442 in words is "two hundred eleven million, four hundred fourteen thousand, four hundred forty-two".