211422046 has 32 divisors (see below), whose sum is σ = 359663616. Its totient is φ = 92340000.

The previous prime is 211422031. The next prime is 211422059. The reversal of 211422046 is 640224112.

It is a happy number.

211422046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211422046² = 89398563069652232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101956 + ... + 104008.

It is an arithmetic number, because the mean of its divisors is an integer number (11239488).

Almost surely, 2^211422046 is an apocalyptic number.

211422046 is a deficient number, since it is larger than the sum of its proper divisors (148241570).

211422046 is a wasteful number, since it uses less digits than its factorization.

211422046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 211422046 is about 14540.3592115188. The cubic root of 211422046 is about 595.7308496740.

Adding to 211422046 its reverse (640224112), we get a palindrome (851646158).

The spelling of 211422046 in words is "two hundred eleven million, four hundred twenty-two thousand, forty-six".