211222041 has 16 divisors (see below), whose sum is σ = 294282240. Its totient is φ = 134505360.

The previous prime is 211222019. The next prime is 211222057. The reversal of 211222041 is 140222112.

It is not a de Polignac number, because 211222041 - 2¹⁸ = 210959897 is a prime.

It is a super-2 number, since 2×211222041² = 89229501208411362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211222041.

It is not an unprimeable number, because it can be changed into a prime (211222061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61746 + ... + 65076.

It is an arithmetic number, because the mean of its divisors is an integer number (18392640).

Almost surely, 2^211222041 is an apocalyptic number.

It is an amenable number.

211222041 is a deficient number, since it is larger than the sum of its proper divisors (83060199).

211222041 is a wasteful number, since it uses less digits than its factorization.

211222041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 211222041 is about 14533.4800030825. The cubic root of 211222041 is about 595.5429368518.

Adding to 211222041 its reverse (140222112), we get a palindrome (351444153).

The spelling of 211222041 in words is "two hundred eleven million, two hundred twenty-two thousand, forty-one".