212269226 has 8 divisors (see below), whose sum is σ = 342896484. Its totient is φ = 97970400.

The previous prime is 212269217. The next prime is 212269229. The reversal of 212269226 is 622962212.

It can be written as a sum of positive squares in 2 ways, for example, as 211848025 + 421201 = 14555^2 + 649^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 212269192 and 212269201.

It is not an unprimeable number, because it can be changed into a prime (212269229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4082075 + ... + 4082126.

Almost surely, 2^212269226 is an apocalyptic number.

212269226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

212269226 is a deficient number, since it is larger than the sum of its proper divisors (130627258).

212269226 is a wasteful number, since it uses less digits than its factorization.

212269226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164216.

The product of its digits is 10368, while the sum is 32.

The square root of 212269226 is about 14569.4621040037. The cubic root of 212269226 is about 596.5254981961.

The spelling of 212269226 in words is "two hundred twelve million, two hundred sixty-nine thousand, two hundred twenty-six".