212422011 has 8 divisors (see below), whose sum is σ = 283329024. Its totient is φ = 141564840.

The previous prime is 212421977. The next prime is 212422051. The reversal of 212422011 is 110224212.

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

It is not a de Polignac number, because 212422011 - 2¹⁹ = 211897723 is a prime.

It is a super-2 number, since 2×212422011² = 90246221514568242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212422051) 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, 1011 + ... + 20636.

It is an arithmetic number, because the mean of its divisors is an integer number (35416128).

Almost surely, 2^212422011 is an apocalyptic number.

212422011 is a deficient number, since it is larger than the sum of its proper divisors (70907013).

212422011 is a wasteful number, since it uses less digits than its factorization.

212422011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24921.

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

The square root of 212422011 is about 14574.7044910008. The cubic root of 212422011 is about 596.6685842383.

Adding to 212422011 its reverse (110224212), we get a palindrome (322646223).

The spelling of 212422011 in words is "two hundred twelve million, four hundred twenty-two thousand, eleven".